Search your library and graveyard for up to four creature cards with different names that each have mana value X or less and reveal them. An opponent chooses two of those cards. Shuffle the chosen cards into your library and put the rest onto the battlefield. Exile Ecological Appreciation.

Crackle with Power deals five times X damage to each of up to X targets.

Each opponent loses X life. You gain life equal to the life lost this way.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

Flying Your opponents can't gain life. At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Binding Contract — If you would draw a card, exile the top card of your library face down instead. {B}{B}{B}: Draw seven cards. {B}: Return all cards exiled with Asmodeus the Archfiend to their owner's hand and you lose that much life.

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

{B}, Sacrifice a creature: Scry 2. {2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

Whenever a player plays a land, that player draws a card.

Haste At the beginning of your upkeep, exile the top card of your library. You may play it this turn. At the beginning of each opponent's upkeep, the next time they would draw a card this turn, instead they exile the top card of their library. They may play it this turn.

Players can cast spells and activate abilities only during their own turns.

Return X cards at random from your graveyard to your hand. Exile Reap the Past.

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

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

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

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

({T}: Add {G}.)

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

({T}: Add {R}.)

You have no maximum hand size. {T}: Add {C}.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

({T}: Add {B} or {R}.) Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

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

Each land is a Swamp in addition to its other land types.

Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player. {1}, Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player. {3}{R}{R}: Immolation Shaman gets +3/+3 and gains menace until end of turn.

Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.

Indestructible As long as your devotion to red and green is less than seven, Klothys isn't a creature. At the beginning of your precombat main phase, exile target card from a graveyard. If it was a land card, add {R} or {G}. Otherwise, you gain 2 life and Klothys deals 2 damage to each opponent.

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.

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.

Whenever a land enters the battlefield under an opponent's control, that player loses 1 life. Put a +1/+1 counter on Nightshade Harvester.

Whenever a land enters the battlefield under an opponent's control, that player loses 2 life and you gain 2 life.

When Hedonist's Trove enters the battlefield, exile target opponent's graveyard. You may play lands from among cards exiled with Hedonist's Trove. You may cast spells from among cards exiled with Hedonist's Trove. You can't cast more than one spell this way each turn.

Flying Cumulative upkeep—Gain control of a land you don't control. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Herald of Leshrac gets +1/+1 for each land you control but don't own. When Herald of Leshrac leaves the battlefield, each player gains control of each land they own that you control.

Flying, trample Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life. Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

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

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

You may play an additional land on each of your turns. Lands you control are every basic land type in addition to their other types.

Choose one — • Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle. • You may play up to two additional lands this turn. Entwine {2}{G} (Choose both if you pay the entwine cost.)

Add {R} for each tapped land your opponents control.

You may play an additional land on each of your turns. {R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Trample When Regal Behemoth enters the battlefield, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

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

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

Domain — At the beginning of each player's upkeep, that player gains 1 life for each basic land type among lands they control. Then Collapsing Borders deals 3 damage to that player.

At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way.

Players can't gain life. Damage can't be prevented. All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)

At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way.

At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

At the beginning of each player's upkeep, Primal Order deals damage to that player equal to the number of nonbasic lands they control.

Vigilance, reach Ruric Thar, the Unbowed attacks each combat if able. Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

Whenever a player casts a spell, Spellshock deals 2 damage to that player.

At the beginning of each player's end step, that player sacrifices an untapped land.

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player. If a player would gain life, that player gains no life instead.

Whenever a land enters the battlefield, tap all lands its controller controls.

At the beginning of each player's postcombat main phase, that player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)

At the beginning of each player's precombat main phase, that player adds {G}{G}.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

At the beginning of each player's precombat main phase, that player adds {G}{G}.

At the beginning of each player's end step, put a charge counter on Mana Cache for each untapped land that player controls. Remove a charge counter from Mana Cache: Add {C}. Any player may activate this ability but only during their turn before the end step.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player.

At the beginning of each player's draw step, that player draws an additional card. Each player may play an additional land on each of their turns.

For each creature, its controller sacrifices it unless they pay X life.

Return X target creature cards from your graveyard to your hand.

Return X target creature cards from your graveyard to the battlefield. Miracle {X}{B}{B} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Lavalanche deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

When Loaming Shaman enters the battlefield, target player shuffles any number of target cards from their graveyard into their library.

Choose land or nonland. Reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and the rest on the bottom of your library in a random order.

When Anathemancer enters the battlefield, it deals damage to target player equal to the number of nonbasic lands that player controls. Unearth {5}{B}{R} ({5}{B}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Reach You may play lands from your graveyard. If a land entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

You may play two additional lands on each of your turns.

Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Nonbasic lands are Mountains.

As an additional cost to cast this spell, pay X life. Each other player loses X life.

When Borderland Explorer enters the battlefield, each player may discard a card. Each player who discarded a card this way may search their library for a basic land card, reveal it, put it into their hand, then shuffle.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

Play with the top card of your library revealed. You may play lands from the top of your library. Landfall — Whenever a land enters the battlefield under your control, you gain 1 life.

You may play lands from your graveyard.

Add {B}{B}{B}.

Flying When Demon of Dark Schemes enters the battlefield, all other creatures get -2/-2 until end of turn. Whenever another creature dies, you get {E} (an energy counter). {2}{B}, Pay {E}{E}{E}{E}: Put target creature card from a graveyard onto the battlefield under your control tapped.

Flash Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

(Gain the next level as a sorcery to add its ability.) Landfall — Whenever a land enters the battlefield under your control, you gain 1 life. {2}{G}: Level 2 You may play an additional land on each of your turns. {4}{G}: Level 3 When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn. You may play an additional land this turn.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. You can't play lands or cast spells from your hand. {3}{R}: Destroy Experimental Frenzy.

You may play an additional land on each of your turns.

Fertilid enters the battlefield with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

Destroy all creatures with mana value X or less.

At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

Destroy each nonland permanent with mana value X or less.

First strike Landfall — Whenever a land enters the battlefield under your control, goad each creature target player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

{1}{R}, Sacrifice a land: Put a +1/+1 counter on Goblin Razerunners. At the beginning of your end step, you may have Goblin Razerunners deal damage equal to the number of +1/+1 counters on it to target player or planeswalker.

Menace When God-Eternal Bontu enters the battlefield, sacrifice any number of other permanents, then draw that many cards. When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Choose two — • Incendiary Command deals 4 damage to target player or planeswalker. • Incendiary Command deals 2 damage to each creature. • Destroy target nonbasic land. • Each player discards all the cards in their hand, then draws that many cards.

When Kardur, Doomscourge enters the battlefield, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able. Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.

If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield. Whenever you tap a creature for mana, add an additional {G}. {6}{G}{G}: Put a +1/+1 counter on each creature you control.

Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

If you tap a permanent for mana, it produces twice as much of that mana instead.

At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.

Trample Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

First strike, deathtouch Master of Cruelties can only attack alone. Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.

At the beginning of your end step, if you didn't play a land this turn, you may draw a card.

Sacrifice X lands. For each land sacrificed this way, draw a card. You may play X additional lands this turn. Lands you control enter the battlefield tapped this turn.

Each player may search their library for up to X basic land cards and put them onto the battlefield tapped. Then each player who searched their library this way shuffles.

Trample If you tap a permanent for mana, it produces three times as much of that mana instead.

Landfall — Whenever a land enters the battlefield under your control, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

You don't lose unspent green mana as steps and phases end. Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.

You may play an additional land on each of your turns. Play with the top card of your library revealed. You may play lands from the top of your library.

Flying {B}: Pestilence Demon deals 1 damage to each creature and each player.

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

Whenever Rakshasa Debaser attacks, put target creature card from defending player's graveyard onto the battlefield under your control. Encore {6}{B}{B} ({6}{B}{B}, 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.)

You may play lands from your graveyard.

Realm Seekers enters the battlefield with X +1/+1 counters on it, where X is the total number of cards in all players' hands. {2}{G}, Remove a +1/+1 counter from Realm Seekers: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Return X target creature cards from your graveyard to your hand. You lose X life.

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.

Target player gains X life.

You may play up to three additional lands this turn.

Equipped creature gets +2/+2 and has protection from green and from white. Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle. Equip {2}

Each land card in your hand has cycling {R}. Cycling {2} ({2}, Discard this card: Draw a card.)

Creatures you control have haste. Creatures your opponents control enter the battlefield tapped.

When Veteran Explorer dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.

Trample Whenever you tap a land for mana, add one mana of any type that land produced. Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) You may play an additional land on each of your turns. Wayward Swordtooth can't attack or block unless you have the city's blessing.

Indestructible As long as your devotion to red and green is less than seven, Xenagos isn't a creature. At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.

Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.) Whenever you cast a creature spell, draw a card.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.