Create a token that's a copy of target permanent. If {R}{G} was spent to cast this spell, instead create a token that's a copy of that permanent, except the token has "When this token enters, if it's a creature, it fights up to one target creature you don't control."

Flash (You may cast this spell any time you could cast an instant.) At the beginning of each player's draw step, that player draws an additional card.

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

{T}, Exile two cards from your graveyard: Draw a card. If damage would be dealt to you, prevent that damage. Exile a card from your graveyard for each 1 damage prevented this way. When there are no cards in your graveyard, you lose the game.

When this creature enters, exile all cards from your library.

As this enchantment enters, you lose life equal to your life total. You don't lose the game for having 0 or less life. If you would gain life, draw that many cards instead. Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game. When this enchantment is put into a graveyard from the battlefield, you lose the game.

Hexproof You can't lose the game. Whenever you gain life, draw that many cards. Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard. When Lich's Mastery leaves the battlefield, you lose the game.

You can't cast more than one spell each turn. Whenever you cast a spell, draw a card.

Hexproof If a source would deal damage to you, prevent that damage and put an incarnation counter on this enchantment. When there are nine or more incarnation counters on this enchantment, exile it. When this enchantment leaves the battlefield, you lose the game.

When Phage enters, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated. Whenever Phage deals combat damage to a player, that player loses the game.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

{T}: Add {C}{C}. This land deals 2 damage to you.

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

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

When this land enters, sacrifice it unless you return a non-Lair land you control to its owner's hand. {T}: Add {U}, {B}, or {R}.

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

When this land enters, sacrifice it unless you return a non-Lair land you control to its owner's hand. {T}: Add {W}, {U}, or {B}.

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

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

({T}: Add {G}.)

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

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

({T}: Add {U}.)

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {R}.

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

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

({T}: Add {R}.)

({T}: Add {W}.)

{T}: Add one mana of any color. An opponent gains control of this land at the beginning of the next end step.

{T}: Add one mana of any type that a land you control could produce.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

({T}: Add {B}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

{T}: Add {R}. {T}: Add {G}. Activate only if you control a Mountain or a Forest.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {R}.

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {B}.

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

Sacrifice this creature: Add {B}.

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

Add {B}{B}{B}.

Exile this creature from your hand: Add {G}.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

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

{T}, Sacrifice this artifact: Add one mana of any color.

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

Flying {T}: Add one mana of any color.

Exile this card from your hand: Add {R}.

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

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {B}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.

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

Target player shuffles their graveyard into their library. Prevent all combat damage that would be dealt this turn.

Target player shuffles their graveyard into their library. Draw a card.

Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Return target nonland permanent [you control] to its owner's hand.

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

When you cast this spell from your hand, copy it if you control an artifact, then copy it if you control an enchantment. You may choose new targets for the copies. Return target nonland permanent to its owner's hand. You create a 2/2 white Knight creature token with vigilance.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

You may pay {B} rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield. Each player sacrifices thirteen creatures of their choice.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Return target nonland permanent to its owner's hand. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.) Return target creature an opponent controls to its owner's hand. If the gift was promised, instead return target nonland permanent an opponent controls to its owner's hand.

If you've cast another white spell this turn, you may cast this spell without paying its mana cost. Destroy all enchantments.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Return target nonland permanent to its owner's hand. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Imprint — When this artifact enters, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with this artifact without paying its mana cost.

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with this enchantment on the bottom of their library in a random order.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Search your library for a card, exile it face down, then shuffle. If this spell was bargained, you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less. Put the exiled card into your hand if it wasn't cast this way.

Search your library for a card, put that card into your hand, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that card into your library. You may cast the other cards without paying their mana costs. Exile Emergent Ultimatum.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

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

Spree (Choose one or more additional costs.) + {2} — Search your library for a card, then shuffle and put that card on top. + {B}{B} — Target player draws three cards and loses 3 life.

Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle.

Deathtouch Exploit (When this creature enters, you may sacrifice a creature.) When Sidisi exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — Target opponent reveals their hand. You choose a creature or planeswalker card from it. That player discards that card. II — Search your library for a card, put that card into your hand, then shuffle. You lose 3 life. III — Put target creature card from a graveyard onto the battlefield under your control.