Whenever another permanent enters the battlefield under your control, each opponent mills a card.

Whenever a permanent enters the battlefield tapped and under your control, untap it.

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

Legendary creatures don't untap during their controllers' untap steps. When Arena of the Ancients enters the battlefield, tap all legendary creatures.

{1}, {T}: Add {W}{U}.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 and has vigilance and lifelink. Equip {5}

Equipped creature gets +2/+0. Whenever equipped creature deals combat damage to a player, create a token that's a copy of Bloodforged Battle-Axe. Equip {2}

Equipped creature gets +2/+2. As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {1}

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Indestructible Equipped creature has indestructible. Equip {2}

{1}, {T}: Add {U}{B}.

Green spells you cast cost {1} less to cast.

Creatures with power greater than the number of cards in your hand can't attack.

Players skip their upkeep steps.

{T}: Add one mana of any color that a land an opponent controls could produce.

At the beginning of each player's draw step, that player draws two additional cards.

Equipped creature gets +1/+0 for each Equipment attached to it. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent. Equip {2}

{T}, Sacrifice an artifact: Target player mills three cards. Whenever an artifact enters the battlefield, you may untap Grinding Station.

Whenever Hammer of Nazahn or another Equipment enters the battlefield under your control, you may attach that Equipment to target creature you control. Equipped creature gets +2/+0 and has indestructible. Equip {4}

Equipped creature has first strike, trample, and haste. {1}: If you control Equipment named Helm of Kaldra, Sword of Kaldra, and Shield of Kaldra, create Kaldra, a legendary 4/4 colorless Avatar creature token. Attach those Equipment to it. Equip {2}

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

Each legendary creature you control gets +1/+1 for each other legendary creature you control. {X}, {T}: Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equip {3}

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Black spells you cast cost {1} less to cast.

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

You may have Masterwork of Ingenuity enter the battlefield as a copy of any Equipment on the battlefield.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Players can't search libraries.

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

All permanents are artifacts in addition to their other types. All cards that aren't on the battlefield, spells, and permanents are colorless. Players may spend mana as though it were mana of any color.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 for each artifact and/or enchantment you control. Equip {2}

Equipped creature gets +1/+1 for each Swamp you control. Equip—Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Players can't draw cards. At the beginning of each player's draw step, that player exiles the top card of their library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.

Permanents enter the battlefield tapped.

White spells you cast cost {1} less to cast.

Sacrifice a creature: Add one mana of any color.

Equipped creature gets +1/+0. Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Red spells you cast cost {1} less to cast.

As Sanctuary Blade becomes attached to a creature, choose a color. Equipped creature gets +2/+0 and has protection from the last chosen color. Equip {3}

Blue spells you cast cost {1} less to cast.

Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible. Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.) Equip {4}

Spells cost {1} more to cast.

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

Each player may play an additional land during each of their turns. Whenever a land is tapped for mana, return it to its owner's hand.

{1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Equipped creature gets +5/+5. Whenever equipped creature deals damage to a creature, exile that creature. (Exile it only if it's still on the battlefield.) Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}

Equipped creature gets +2/+2 and has protection from white and from blue. Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Equip {2}

{T}: Add {C}. {T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

At the beginning of your upkeep, each opponent may create a Treasure token. For each opponent who does, you create a Treasure token.

Noncreature spells cost {1} more to cast.

Creatures entering the battlefield don't cause abilities to trigger.

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

If a player would begin an extra turn, that player skips that turn instead. If Ugin's Nexus would be put into a graveyard from the battlefield, instead exile it and take an extra turn after this one.

Untap all artifacts you control during each other player's untap step.

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Other Pirates you control get +1/+1. At the beginning of your end step, gain control of target nonland permanent controlled by a player who was dealt combat damage by three or more Pirates this turn.

At the beginning of combat on your turn, you may attach any number of Auras and Equipment you control to target permanent or player. Partner (You can have two commanders if both have partner.)

Flying Whenever Armored Skyhunter attacks, look at the top six cards of your library. You may put an Aura or Equipment card from among them onto the battlefield. If an Equipment is put onto the battlefield this way, you may attach it to a creature you control. Put the rest of those cards on the bottom of your library in a random order.

Whenever Armory Automaton enters the battlefield or attacks, you may attach any number of target Equipment to it. (Control of the Equipment doesn't change.)

Indestructible As long as your devotion to white and black is less than seven, Athreos isn't a creature. Whenever another creature you own dies, return it to your hand unless target opponent pays 3 life.

First strike Balan, Wandering Knight has double strike as long as two or more Equipment are attached to it. {1}{W}: Attach all Equipment you control to Balan.

When Brazen Freebooter enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flash (You may cast this spell any time you could cast an instant.) When Breaching Hippocamp enters the battlefield, untap another target creature you control.

{T}: Search your library for a legendary card, reveal that card, put it into your hand, then shuffle.

Whenever Captain Vargus Wrath attacks, Pirates you control get +1/+1 until end of turn for each time you've cast a commander from the command zone this game.

If Combat Celebrant hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won't untap during your next untap step.)

When Corsair Captain enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Other Pirates you control get +1/+1.

First strike, vigilance, lifelink Aura and Equipment spells you cast cost {1} less to cast.

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

Deadeye Plunderers gets +1/+1 for each artifact you control. {2}{U}{B}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flash (You may cast this spell any time you could cast an instant.) When Deceiver Exarch enters the battlefield, choose one — • Untap target permanent you control. • Tap target permanent an opponent controls.

Whenever Dire Fleet Captain attacks, it gets +1/+1 until end of turn for each other attacking Pirate.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Delirium — As long as there are four or more card types among cards in your graveyard, Dragon's Rage Channeler gets +2/+2, has flying, and attacks each combat if able.

Your opponents can't cast spells from anywhere other than their hands.

Indestructible As long as your devotion to white and blue is less than seven, Ephara isn't a creature. At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card.

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. {1}{B}, Pay 2 life: Draw a card.

Menace Whenever Fathom Fleet Captain attacks, if you control another nontoken Pirate, you may pay {2}. If you do, create a 2/2 black Pirate creature token with menace.

When Forerunner of the Coalition enters the battlefield, you may search your library for a Pirate card, reveal it, then shuffle and put that card on top. Whenever another Pirate enters the battlefield under your control, each opponent loses 1 life.

Menace {1}{B}, {T}, Pay 1 life: Create a Treasure token. {2}{B}: Target creature gets +2/+0 until end of turn. If mana from a Treasure was spent to activate this ability, that creature also gains deathtouch until end of turn.

When Goblin Recruiter enters the battlefield, search your library for any number of Goblin cards, reveal them, then shuffle and put those cards on top in any order.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

White spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more to cast.

Indestructible As long as your devotion to white is less than five, Heliod isn't a creature. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) Other creatures you control have vigilance. {2}{W}{W}: Create a 2/1 white Cleric enchantment creature token.

Indestructible As long as your devotion to white is less than five, Heliod isn't a creature. Whenever you gain life, put a +1/+1 counter on target creature or enchantment you control. {1}{W}: Another target creature gains lifelink until end of turn.

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

When Impulsive Pilferer dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flying Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target of spells or abilities.)

Indestructible As long as your devotion to red and white is less than seven, Iroas isn't a creature. Creatures you control have menace. Prevent all damage that would be dealt to attacking creatures you control.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

At the beginning of each player's draw step, that player draws an additional card.

First strike, menace Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token. At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, create a 2/2 white Cat creature token for each Equipment attached to Kemba, Kha Regent.

Indestructible As long as your devotion to blue and red is less than seven, Keranos isn't a creature. Reveal the first card you draw on each of your turns. Whenever you reveal a land card this way, draw a card. Whenever you reveal a nonland card this way, Keranos deals 3 damage to any target.

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

You may activate equip abilities any time you could cast an instant.

Flying Activated abilities of creatures your opponents control can't be activated.

When Lord Xander, the Collector enters the battlefield, target opponent discards half the cards in their hand, rounded down. Whenever Lord Xander attacks, defending player mills half their library, rounded down. When Lord Xander dies, target opponent sacrifices half the nonland permanents they control, rounded down.

{T}: Each player draws a card, then discards a card.

Whenever Merchant Raiders or another Pirate enters the battlefield under your control, tap up to one target creature. That creature doesn't untap during its controller's untap step for as long as you control Merchant Raiders.

{3}, {T}: Search your library for a Goblin permanent card, put it onto the battlefield, then shuffle.

Indestructible As long as your devotion to black and red is less than seven, Mogis isn't a creature. At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

Indestructible As long as your devotion to black and green is less than seven, Pharika isn't a creature. {B}{G}: Exile target creature card from a graveyard. Its owner creates a 1/1 black and green Snake enchantment creature token with deathtouch.

Indestructible As long as your devotion to blue and black is less than seven, Phenax isn't a creature. Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness."

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Whenever an Equipment enters the battlefield under your control, you may draw a card. Metalcraft — Equipment you control have equip {0} as long as you control three or more artifacts.

Whenever Ragavan, Nimble Pilferer deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card. Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

{2}{B}, Sacrifice a creature: Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") Sacrifice three Treasures: Draw a card.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Exile Simian Spirit Guide from your hand: Add {R}.

Sisay, Weatherlight Captain gets +1/+1 for each color among other legendary permanents you control. {W}{U}{B}{R}{G}: Search your library for a legendary permanent card with mana value less than Sisay's power, put that card onto the battlefield, then shuffle.

Whenever you cast an Aura, Equipment, or Vehicle spell, draw a card.

When Stitcher's Supplier enters the battlefield or dies, mill three cards.

When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle. {1}{W}, {T}: You may put an Equipment card from your hand onto the battlefield.

Vigilance {1}{W}, {T}: Search your library for an Equipment card, put it onto the battlefield, attach it to a creature you control, then shuffle.

Haste Storm Fleet Sprinter can't be blocked.

First strike Creatures and nonbasic lands your opponents control enter the battlefield tapped.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) At the beginning of your upkeep, scry 1. {1}{U}: Target creature you control can't be blocked this turn.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {2}{U}{U}, {T}, Put Timestream Navigator on the bottom of its owner's library: Take an extra turn after this one. Activate only if you have the city's blessing.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.

Flash (You may cast this spell any time you could cast an instant.) When Village Bell-Ringer enters the battlefield, untap all creatures you control.

Flying Whenever Warkite Marauder attacks, target creature defending player controls loses all abilities and has base power and toughness 0/1 until end of turn.

When Whirlpool Warrior enters the battlefield, shuffle the cards from your hand into your library, then draw that many cards. {R}, Sacrifice Whirlpool Warrior: Each player shuffles the cards from their hand into their library, then draws that many cards.

When Wily Goblin enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying, trample When Worldgorger Dragon enters the battlefield, exile all other permanents you control. When Worldgorger Dragon leaves the battlefield, return the exiled cards to the battlefield under their owners' control.

Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

+2: Create two 0/1 black Thrull creature tokens. +1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander. −10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control. Tevesh Szat, Doom of Fools can be your commander. Partner

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Creatures your opponents control enter the battlefield tapped. Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.

Nonbasic lands don't untap during their controllers' untap steps.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter the battlefield tapped.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Flash Whenever a creature you control dies, each opponent sacrifices a creature.

At the beginning of each player's end step, that player draws a card. If the player is your opponent and has four or more cards in hand, Fevered Visions deals 2 damage to that player.

Whenever an opponent casts a spell, that player draws seven cards.

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

Whenever a creature you control dies, each other player sacrifices a creature.

At the beginning of your upkeep, draw a card for each Shrine you control.

Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards that card. {B}{B}: Return Leshrac's Sigil to its owner's hand.

Whenever an opponent discards a card, that player loses 2 life.

Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Whenever a player draws a card, that player loses 2 life unless they pay {2}.

({G/W} can be paid with either {G} or {W}.) Other permanents you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Whenever a creature you control deals combat damage to a player, you may draw a card. Cycling {2} ({2}, Discard this card: Draw a card.)

As Reflections of Littjara enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

You may cast Aura and Equipment spells as though they had flash. Whenever an Equipment enters the battlefield under your control, you may attach it to target creature you control.

At the beginning of each player's draw step, that player draws an additional card. Whenever a player draws a card, Spiteful Visions deals 1 damage to that player.

Enchant creature Enchanted creature has "{T}: Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."

Players skip their untap steps. At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.

Choose one — • Cathartic Pyre deals 3 damage to target creature or planeswalker. • Discard up to two cards, then draw that many cards.

Return target creature to its owner's hand. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Tap target creature. Metalcraft — If you control three or more artifacts, exile that creature.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies. Copy target instant or sorcery spell. You may choose new targets for the copy.

Counter target creature spell. You create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Choose one — • Sacrifice any number of creatures. You gain 3 life for each sacrificed creature. • Pay X life, then look at the top X cards of your library. Put one of those cards into your hand and exile the rest. Entwine {B} (Choose both if you pay the entwine cost.)

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Destroy target nonblack creature. At the beginning of your next upkeep, pay {2}{B}. If you don't, you lose the game.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {B} or {R}.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Boseiju, Who Shelters All enters the battlefield tapped. {T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {B}. Cabal Pit deals 1 damage to you. Threshold — {B}, {T}, Sacrifice Cabal Pit: Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

{T}: Add {C}. {T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

Crumbling Necropolis enters the battlefield tapped. {T}: Add {U}, {B}, or {R}.

Crypt of Agadeem enters the battlefield tapped. {T}: Add {B}. {2}, {T}: Add {B} for each black creature card in your graveyard.

{T}: Add {C}. {T}, Sacrifice Crystal Vein: Add {C}{C}.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}: Add one mana of any color. Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

Gemstone Mine enters the battlefield with three mining counters on it. {T}, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid. {T}: Add one mana of any color.

({T}: Add {W} or {B}.) As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

{T}: Add {C}. {T}, Pay 1 life: Add {B}. {2}{B}{B}, {T}, Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

{T}, Pay 1 life: Add one mana of any color.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Morphic Pool enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {B}.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Peat Bog enters the battlefield tapped with two depletion counters on it. {T}, Remove a depletion counter from Peat Bog: Add {B}{B}. If there are no depletion counters on Peat Bog, sacrifice it.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

({T}: Add {R} or {W}.) As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.