As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

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

This land enters tapped. {T}: Add {U} or {B}. {1}{U}{B}: This land becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U} or {B}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters 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.)

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

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

{3}, {T}, Sacrifice this artifact: Return all enchantment cards from your graveyard to your hand.

Destroy target untapped creature.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Choose one or both — • Return target artifact card from your graveyard to your hand. • Return target creature card from your graveyard to your hand.

Target opponent reveals cards from the top of their library until four land cards are revealed. That player puts all cards revealed this way into their graveyard.

Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Each player sacrifices a creature of their choice. {P}{P} — Draw a card for each creature that died under your control this turn. {P}{P}{P} — Each opponent loses X life, where X is the number of creature cards in your graveyard.

As an additional cost to cast this spell, sacrifice a creature. Flying When this creature enters, each opponent discards a card and loses 2 life. You draw a card and gain 2 life.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Flying, deathtouch When this creature enters, draw a card.

When this creature enters, destroy target creature with power 4 or greater. It can't be regenerated. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

You may have this creature enter as a copy of any creature card in a graveyard.

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Whenever you sacrifice a token, this creature gains flying until end of turn.

When this creature enters, each opponent discards a card.

This creature gets +X/+0, where X is the greatest power among creature cards in your graveyard. When this creature enters, mill four cards. (Put the top four cards of your library into your graveyard.)

When this creature enters, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Threshold — This creature can't be blocked as long as there are seven or more cards in your graveyard.

When this creature enters, if you control two or more nonland, nontoken permanents with the same name as one another, create a 4/4 colorless Construct artifact creature token.

Fathomless descent — When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

Flying When this creature enters, untap up to two lands. Cycling {2} ({2}, Discard this card: Draw a card.)

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.

As an additional cost to cast this spell, sacrifice a creature, discard a card, or pay 4 life. When this creature enters, each opponent sacrifices a creature of their choice, discards a card, and loses 4 life.

When this creature enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") Whenever you sacrifice a Blood token, you gain 1 life.

Flying When this creature enters, mill four cards. You gain 1 life for each creature card milled this way. (To mill four cards, put the top four cards of your library into your graveyard.)

Deathtouch Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

Menace When this creature enters, search your library for a card with mana value less than or equal to your devotion to black, reveal it, put it into your hand, then shuffle. You lose 3 life. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Undergrowth — When this creature enters, it deals 1 damage to target opponent for each creature card in your graveyard.

When this creature enters, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) At the beginning of your upkeep, if this card is in your graveyard, you may pay 1 life. If you do, return it to your hand.

Deathtouch When this creature enters, mill two cards and you gain 2 life. (To mill a card, put the top card of your library into your graveyard.)

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

When this creature enters, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Discard a card: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

This creature can't be blocked by white creatures. When this creature enters, creatures your opponents control get -1/-1 until end of turn.

When this creature enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

When this creature enters, destroy target creature an opponent controls.

When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"

Whenever this creature or another creature dies, target player mills a card.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

When this creature enters, create a 1/1 green Squirrel creature token and a 0/3 blue Crab creature token. When this creature dies, create a token that's a copy of target token you control.

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) Whenever this creature enters or deals combat damage to a player, draw a card, then discard a card.

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand.

When this creature enters, create a number of 1/1 green Squirrel creature tokens equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

When this creature enters and at the beginning of your upkeep, surveil 1. Whenever one or more creature cards are put into your graveyard from your library, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") {2}, Sacrifice a Clue: Return this card from your graveyard to your hand.

When this creature dies, choose one or more. Each mode must target a different player. • Target opponent sacrifices a creature of their choice. • Target opponent discards two cards. • Target opponent loses 5 life.

When this creature enters, create a 1/1 black Rat creature token with "This token can't block." Whenever another creature you control dies, put a +1/+1 counter on this creature.

Defender (This creature can't attack.) When this creature enters, target player mills four cards. (They put the top four cards of their library into their graveyard.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Mill three cards. You may put a historic card from among them into your hand. (Artifacts, legendaries, and Sagas are historic.) IV — Historic spells you cast this turn cost {2} less to cast.

When this enchantment enters, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

You may look at an additional two cards each time you surveil. Exile this enchantment: Shuffle your graveyard into your library.

(Gain the next level as a sorcery to add its ability.) Whenever a creature you control enters, surveil 1. {1}{U}: Level 2 Whenever you attack, target attacking creature with power 3 or less can't be blocked this turn. {3}{U}: Level 3 Whenever a creature you control deals combat damage to a player, you may exile it, then return it to the battlefield under its owner's control.

Destroy target nonartifact creature.