Exile target creature if it has mana value 3 or less.

Corrupted -- Exile that creature instead if its controller has three or more poison counters.

Deathtouch

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Blightbelly Rat dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Blightbelly Rat dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Counter target spell unless its controller pays {2}.

Corrupted -- Counter that spell instead if its controller has three or more poison counters.

Counter target spell unless its controller pays {2}.

Corrupted -- Counter that spell instead if its controller has three or more poison counters.

Destroy target creature with total power and toughness 5 or less.

Destroy target creature with total power and toughness 5 or less.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Return target creature to its owner's hand. If its mana value was 3 or less, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Hidden Cataract enters the battlefield tapped.

{T}: Add {U}.

{4}{U}, {T}, Sacrifice Hidden Cataract: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Mercurial Spelldancer can't be blocked.

Whenever you cast a noncreature spell, put an oil counter on Mercurial Spelldancer.

Whenever Mercurial Spelldancer deals combat damage to a player, you may remove two oil counters from it. If you do, when you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Mercurial Spelldancer can't be blocked.

Whenever you cast a noncreature spell, put an oil counter on Mercurial Spelldancer.

Whenever Mercurial Spelldancer deals combat damage to a player, you may remove two oil counters from it. If you do, when you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

Whenever a creature you control with toxic deals combat damage to a player, that player gets an additional poison counter.

{1}{B}{G}: Target creature you control with toxic gains deathtouch until end of turn.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

Whenever a creature you control with toxic deals combat damage to a player, that player gets an additional poison counter.

{1}{B}{G}: Target creature you control with toxic gains deathtouch until end of turn.

Flying

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Flying

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Each opponent gets a poison counter.

Draw a card.

Each opponent gets a poison counter.

Draw a card.

Each opponent gets a poison counter.

Draw a card.

Each opponent gets a poison counter.

Draw a card.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Flying

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw three cards. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When you proliferate, return Voidwing Hybrid from your graveyard to your hand.

Flying

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When you proliferate, return Voidwing Hybrid from your graveyard to your hand.

Flying

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When you proliferate, return Voidwing Hybrid from your graveyard to your hand.

Flying

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When you proliferate, return Voidwing Hybrid from your graveyard to your hand.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)