Each opponent loses 1 life for each creature you control.

Minion creatures get +1/+1. {B}{B}{B}, Exile Balthor: Each player returns all black and all red creature cards from their graveyard to the battlefield.

Return target creature card and all other cards with the same name as that card from your graveyard to your hand.

Flash When Garna enters, return to your hand all creature cards in your graveyard that were put there from anywhere this turn. Other creatures you control have haste.

Choose a creature type. Return up to two creature cards of that type from your graveyard to the battlefield. If this spell was foretold, return all creature cards of that type from your graveyard to the battlefield instead. Foretell {5}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Ninjutsu {3}{B}{B} ({3}{B}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Ink-Eyes deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control. {1}{B}: Regenerate Ink-Eyes.

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

All creatures have haste.

Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

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 token: Add one mana of any color.")

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.

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice. You add {B}{B} and draw a card.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Exile target nonland card from your graveyard. Search your library for any number of cards with the same name as that card, reveal them, put them into your hand, then shuffle.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

As this creature enters, choose a creature type. Whenever a creature of the chosen type dies, you may draw a card.

Vigilance When this creature enters, you become the monarch.

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

{X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

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 token can't block."

Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, create a 1/1 black Rat creature token with "This token can't block."

When this creature enters, choose one — • Create a 1/1 black Rat creature token with "This token 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 you control enters, 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 token can't block."

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

The second spell you cast each turn costs {1} less to cast. Celebration — At the beginning of combat on your turn, if two or more nonland permanents entered the battlefield under your control this turn, target creature you control gets +1/+1 until end of turn.

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

Menace When this creature enters, create two 1/1 black Rat creature tokens with "This token can't block." At the beginning of your upkeep, you may sacrifice another creature. If you do, put a +1/+1 counter on this creature and exile the top card of your library. You may play that card this turn.

This creature can't block. When this creature dies, create X 1/1 black Rat creature tokens with "This token 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.

Whenever Totentanz or another nontoken creature you control dies, create a 1/1 black Rat creature token with "This token can't block." {1}{B}: Target attacking Rat you control gains deathtouch until end of turn.

When this creature enters, 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 token is put into a graveyard, each opponent loses 1 life.)

({T}: Add {R}.)

{T}: Add {C}. {T}, Sacrifice a creature: Add {B}{B}.

({T}: Add {B}.)

When this creature enters, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have. {1}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

When Gothmog enters, amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Creature tokens you control have deathtouch.

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

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

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

Search your library for a card, put that card into your hand, then shuffle.

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.

Flying When this creature enters, search your library for a card, put it into your hand, then shuffle.