Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

No more than two creatures can attack you each combat.

{1}, {T}: Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Indestructible (Effects that say "destroy" don't destroy this artifact.) {1}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flash {B}, {T}, Sacrifice an artifact: Draw a card.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on Everflowing Chalice.

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.

Whenever you cast an artifact spell, you may put a charge counter on Golem Foundry. Remove three charge counters from Golem Foundry: Create a 3/3 colorless Golem artifact creature token.

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

Investigator's Journal enters the battlefield with a number of suspect counters on it equal to the greatest number of creatures a player controls. {2}, {T}, Remove a suspect counter from Investigator's Journal: Draw a card. {2}, Sacrifice Investigator's Journal: Draw a card.

You may look at the top card of your library and at face-down creatures you don't control any time.

{1}, {T}: Untap another target artifact. {3}, {T}: Target creature can't be blocked this turn.

{3}{U}, {T}, Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

{2}, {T}, Discard your hand: Counter target noncreature spell.

{T}: Each player exiles the top card of their library face down. {7}, {T}, Sacrifice Pyxis of Pandemonium: Each player turns face up all cards they own exiled with Pyxis of Pandemonium, then puts all permanent cards among them onto the battlefield.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

No more than one creature can attack each combat. No more than one creature can block each combat.

When Soul-Guide Lantern enters the battlefield, exile target card from a graveyard. {T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard. {1}, {T}, Sacrifice Soul-Guide Lantern: Draw a card.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. −2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

When Ancestral Statue enters the battlefield, return a nonland permanent you control to its owner's hand.

Colorless creatures you control get +2/+2. Whenever you tap a permanent for {C}, add an additional {C}. Whenever you cast a colorless spell, you gain 2 life.

Whenever a player casts an artifact spell, you may gain 1 life.

Flying Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.)

Lifelink Whenever an artifact enters the battlefield under your control, scry 1.

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, mill four cards. {T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying At the beginning of your end step, each opponent discards a card. {1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

Flying Whenever you cast an artifact spell, you may untap target creature.

({U/P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target.

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

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

{T}: Add one mana of any color in your commander's color identity.

Indestructible {T}: Add {C}.

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

{T}: Add {R}.

{T}: Add {C}. {1}, {T}, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

({T}: Add {U}.)

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}, Sacrifice an artifact: You gain 1 life.

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

{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}. ({C} represents colorless mana.) {2}{C}, {T}: Draw a card. Activate only if you have no cards in hand.

{T}: Add {U}.

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

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

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {U} or {B}. Underground River deals 1 damage to you.

{T}: Add {B}.

{T}: Add {C}.

{T}: Add one mana of any color in your commander's color identity.

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.

Flying Artifact spells you cast cost {1} less to cast.

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

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

Devoid (This card has no color.) Colorless spells you cast cost {1} less to cast.

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

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

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

{T}: Add {C}. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

{T}: Add {C}{C}.

{T}, Tap an untapped creature you control: Add one mana of any color.

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

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

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

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

If you would draw a card, exile the top two cards of your library instead. You may play those cards this turn.

Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.

Put any number of target artifact cards from target player's graveyard on top of their library in any order.

{3}: Look at the top three cards of target player's library, then put them back in any order.

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Each player sacrifices all permanents they control that are one or more colors.

All creatures have vigilance. At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. Angel's Trumpet deals damage to the player equal to the number of creatures tapped this way.

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. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Each spell costs {3} more to cast except during its controller's turn.

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

{2}, {T}: Reveal the top card of your library. If it's a creature card, create a 1/1 green Saproling creature token. If it's a land card, put that card onto the battlefield under your control. If it's a noncreature, nonland card, you gain 2 life.

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.

If you would lose unspent mana, that mana becomes colorless instead.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

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

Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.) Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

Whenever you cast an artifact spell, you may have target creature get +2/+0 and gain deathtouch until end of turn.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

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

This spell costs {1} less to cast for each artifact you control. Look at the top seven cards of your library. You may reveal up to two artifact cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

Search your library for any number of nonland cards, exile them, then shuffle.

{T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.

When Skyship Weatherlight enters the battlefield, search your library for any number of artifact and/or creature cards, exile them, then shuffle. {4}, {T}: Choose a card at random that was exiled with Skyship Weatherlight. Put that card into its owner's hand.

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.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")