As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards.

Surveil 2, then draw two cards. You lose 2 life. (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.)

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Other Rats you control have toxic 1. When Karumonix enters, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) 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.)

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.) Target player draws three cards. If the gift was promised, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Threshold — As long as seven or more cards are in your graveyard, creatures your opponents control get -1/-0.

Target player draws four cards.

This spell costs {1} less to cast if you control an Otter. Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. You gain life equal to the sacrificed permanent's mana value. Draw two cards.

This creature can't be blocked. Threshold — Whenever this creature deals combat damage to a player, draw a card. Then discard a card unless seven or more cards are in your graveyard.

Draw two cards.

Whenever you commit a crime, put a loot counter on this artifact. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) {T}: Add one mana of any color. {2}, {T}, Remove two loot counters from this artifact: Draw a card.

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

Add {B}{B}{B}.

{T}: Add {U} or {B}. {U}{B}, {T}, Sacrifice this artifact: Draw a card.

When this artifact enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top. {1}, Sacrifice this artifact: Draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

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

Vigilance Threshold — As long as seven or more cards are in your graveyard, this creature gets +1/+0 and can't be blocked.

Skulk (This creature can't be blocked by creatures with greater power.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Return target creature card from your graveyard to the battlefield. Then if the gift was promised and that creature isn't legendary, create a token that's a copy of that creature, except it's 1/1.

Return up to two target creature cards from your graveyard to your hand. Each opponent loses 2 life and you gain 2 life.

When this creature enters, you may return target creature card with mana value 3 or less from your graveyard to your hand. (Melds with Graf Rats.)

{T}: Add {C}. {2}, {T}, Sacrifice a token: Draw a card. {3}, {T}, Pay 1 life: Create a 1/1 blue Fish creature token. {4}, {T}: Create a Treasure token.

When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

({T}: Add {U}.)

{T}: Add {C}. {T}: Add {U}. Spend this mana only to cast a creature spell. {U}, {T}: Surveil 2. Activate only if a Bird, Frog, Otter, or Rat entered the battlefield under your control this turn.

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {B}.)

Target creature gets -3/-0 until end of turn. Target creature gets -0/-3 until end of turn.

Vigilance This creature can't be blocked by creatures with power 2 or greater. Whenever this creature attacks, up to one target artifact, creature, or planeswalker an opponent controls loses all abilities until your next turn. If it's a creature, it also has base power and toughness 2/2 until your next turn.

Destroy target creature. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

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.

Choose one — • Destroy all creatures. • Destroy all planeswalkers. Then return a creature or planeswalker card with mana value X or less from your graveyard to the battlefield, where X is the amount of {S} spent to cast this spell. ({S} is mana from a snow source.)

Counter target creature spell. Draw a card.

Return up to two target creatures to their owners' hands. Draw two cards, then discard a card.

Counter target spell.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Target opponent sacrifices a creature with the greatest power among creatures they control. If the gift was promised, return target creature card from your graveyard to your hand.

Destroy target creature or Vehicle.

Counter target spell unless its controller pays {2}. If you control a Bird, counter that spell unless its controller pays {4} instead.

This spell costs {1} less to cast if it targets an attacking or tapped creature. Target creature's owner puts it on their choice of the top or bottom of their library.

Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.

Destroy target creature.

Target creature gets -5/-5 until end of turn. Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Counter target creature spell. If the gift was promised, instead counter target spell.

Destroy target creature.

Gift a Food (You may promise an opponent a gift as you cast this spell. If you do, they create a Food token before its other effects. It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Destroy target creature. If the gift wasn't promised, you lose 2 life.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Target creature gets -2/-2 until end of turn. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

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.

Choose target creature. Roll a six-sided die. 1 — It has base toughness 1 until end of turn. 2 — Put two -1/-1 counters on it. 3 — Six-Sided Die deals 3 damage to it and you gain 3 life. 4 — It gets -4/-4 until end of turn. 5 — Destroy it. 6 — Exile it.

Choose one — • Counter target spell. • Surveil 2, then draw two cards. (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.)

Offspring {3} (You may pay an additional {3} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) When this creature enters, target opponent loses 3 life unless they sacrifice a nonland permanent of their choice or discard a card.

Menace Threshold — When this creature enters, if seven or more cards are in your graveyard, return up to one target nonland permanent to its owner's hand.

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.) Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets -5/-5 until end of turn instead.

When this creature enters, target player mills two cards. When this creature dies, target creature you don't control gets -1/-1 until end of turn.

When this creature enters, each opponent discards a card.

Target opponent discards two cards. Then if you control a Rat, 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.)

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)