Gutter Skulk

Cast Down

Drainpipe Vermin

When Drainpipe Vermin dies, you may pay {B}. If you do, target player discards a card.

Gravepurge

Put any number of target creature cards from your graveyard on top of your library.
Draw a card.

Rancid Rats

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.)

Burglar Rat

When Burglar Rat enters, each opponent discards a card.

Swamp

God-Pharaoh's Statue

Spells your opponents cast cost {2} more to cast.
At the beginning of your end step, each opponent loses 1 life.

Fruit of Tizerus

Target player loses 2 life.
Escape—{3}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Pharika's Cure

Pharika's Cure deals 2 damage to target creature and you gain 2 life.

Moment of Craving

Target creature gets -2/-2 until end of turn. You gain 2 life.

Raise Dead

Return target creature card from your graveyard to your hand.

Disfigure

Target creature gets -2/-2 until end of turn.

Thriving Rats

When Thriving Rats enters, you get {E}{E} (two energy counters).
Whenever Thriving Rats attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Murder

Dogged Pursuit

At the beginning of your end step, each opponent loses 1 life and you gain 1 life.

Asphyxiate

Gruesome Fate

Each opponent loses 1 life for each creature you control.

Piper of the Swarm

Rats you control have menace.
{1}{B}, {T}: Create a 1/1 black Rat creature token.
{2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target creature.

Typhoid Rats

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Ruin Rat

Deathtouch
When Ruin Rat dies, exile target card from an opponent's graveyard.

Agonizing Syphon

Agonizing Syphon deals 3 damage to any target and you gain 3 life.

Sign in Blood

Target player draws two cards and loses 2 life.

Doom Blade

Rat Colony

Rat Colony gets +1/+0 for each other Rat you control.
A deck can have any number of cards named Rat Colony.