Akoum Refuge enters the battlefield tapped.

When Akoum Refuge enters the battlefield, you gain 1 life.

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

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.

Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

{T}, Sacrifice another black creature: Draw a card.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Return up to two target creature cards from your graveyard to your hand. If this spell was bargained, you may put one of those cards with mana value 4 or less onto the battlefield instead of putting it into your hand.

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.)

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

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

Black creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

Corrupted -- Sacrifice an artifact or creature: Draw a card. Activate only if an opponent has three or more poison counters and only once each turn.

Cinder Barrens enters the battlefield tapped.

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

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

Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Menace (This creature can't be blocked except by two or more creatures.)

When Edgewall Pack enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block."

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

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Target opponent loses 1 life for each attacking creature you control. You gain that much life.

Creatures you control get +2/+0 until end of turn. Whenever a nontoken creature you control dies this turn, create a 1/1 black Rat creature token with "This creature can't block."

When Gnawing Vermin enters the battlefield, target player mills two cards.

When Gnawing Vermin dies, target creature you don't control gets -1/-1 until end of turn.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Haste

When Harried Spearguard dies, create a 1/1 black Rat creature token with "This creature can't block."

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Ichor Rats enters the battlefield, each player gets a poison counter.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

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

Other Rats you control have toxic 1.

When Karumonix enters the battlefield, 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.

Sacrifice any number of artifacts, enchantments, and/or tokens. Return that many creature cards from your graveyard to the battlefield.

When Lord Skitter's Blessing enters the battlefield, create a Wicked Role token attached to target creature you control. (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

At the beginning of your draw step, if you control an enchanted creature, you lose 1 life and you draw an additional card.

When Lord Skitter's Butcher enters the battlefield, choose one --

• Create a 1/1 black Rat creature token with "This creature can't block."

• You may sacrifice another creature. If you do, scry 2, then draw a card.

• Creatures you control gain menace until end of turn.

Whenever another Rat enters the battlefield under your control, exile up to one target card from an opponent's graveyard.

At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This creature can't block."

Whenever you draw your second card each turn, create two 1/1 black Rat creature tokens.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying

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

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

When Nezumi Informant enters the battlefield, each opponent discards a card.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

Menace

Whenever Ogre Chitterlord enters the battlefield or attacks, create two 1/1 black Rat creature tokens with "This creature can't block." Then if you control five or more Rats, each Rat you control gets +2/+0 until end of turn.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.

Rats you control have deathtouch.

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Okiba-Gang Shinobi deals combat damage to a player, that player discards two cards.

Flying

At the beginning of each end step, if a creature died this turn, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

{2}{B}, Sacrifice another creature or artifact: Old Flitterfang gets +2/+2 until end of turn.

Pack Rat's power and toughness are each equal to the number of Rats you control.

{2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Path of Ancestry enters the battlefield 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.)

Pestilence Rats's power is equal to the number of other Rats on the battlefield. (For example, as long as there are two other Rats on the battlefield, Pestilence Rats's power and toughness are 2/3.)

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.

Whenever a creature you control with power 2 or less attacks, Raid Bombardment deals 1 damage to the player or planeswalker that creature is attacking.

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{R}.

Rakdos Guildgate enters the battlefield tapped.

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

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.)

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

Up to one target creature gets -1/-1 until end of turn. You create a 1/1 black Rat creature token with "This creature can't block."

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, you may search your library for a Rat card, reveal it, put it into your hand, then shuffle.

As long as it's your turn, Ratcatcher Trainee has first strike.

---

Create two 1/1 black Rat creature tokens with "This creature can't block." (Then exile this card. You may cast the creature later from exile.)

When Ravenous Rats enters the battlefield, target opponent discards a card.

Menace

When Redcap Gutter-Dweller enters the battlefield, create two 1/1 black Rat creature tokens with "This creature can't block."

At the beginning of your upkeep, you may sacrifice another creature. If you do, put a +1/+1 counter on Redcap Gutter-Dweller and exile the top card of your library. You may play that card this turn.

{T}: Add {C}.

{1}{B}{R}, {T}: Each player discards a card. Activate only as a sorcery.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard.

You draw two cards and you lose 2 life.

Deathtouch

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

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Ninjutsu {B} ({B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Skullsnatcher deals combat damage to a player, exile up to two target cards from that player's graveyard.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Target player sacrifices a creature.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Tangled Colony can't block.

When Tangled Colony dies, create X 1/1 black Rat creature tokens with "This creature can't block," where X is the amount of damage dealt to it this turn.

Whenever a Rat you control becomes blocked, it gets +2/+0 until end of turn.

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

Whenever Totentanz, Swarm Piper or another nontoken creature you control dies, create a 1/1 black Rat creature token with "This creature can't block."

{1}{B}: Target attacking Rat you control gains deathtouch until end of turn.

As an additional cost to cast this spell, pay X life.

All creatures get -X/-X until end of turn.

Target creature gets -1/-1 until end of turn.

Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.

When Twisted Sewer-Witch enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block." Then for each Rat you control, create a Wicked Role token attached to that Rat. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

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

Each land is a Swamp in addition to its other land types.

{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.

When Voracious Vermin enters the battlefield, create a 1/1 black Rat creature token with "This creature can't block."

Whenever another creature you control dies, put a +1/+1 counter on Voracious Vermin.

Whenever an enchantment you control is put into a graveyard from the battlefield, create a 1/1 black Rat creature token with "This creature can't block."

{1}{B}: Warehouse Tabby gains deathtouch until end of turn.

{T}: Add {C}.

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

Trample

When Wave of Rats dies, if it dealt combat damage to a player this turn, return it to the battlefield under its owner's control.

Blitz {4}{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.)

{1}{B}, {T}, Sacrifice a creature: You gain 1 life and draw a card.

({T}: Add {B}.)

Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.

When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.

You may discard a card. If you do, draw two cards.

Create a Wicked Role token attached to up to one target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.