mtg.wtf

All Rats have fear.
{T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control.

Draw four cards. You lose half your life, rounded up.

Swarm of Rats's power is equal to the number of Rats you control.

Destroy target nonblack creature. It can't be regenerated. You gain life equal to its toughness.

Destroy target nonblack creature. It can't be regenerated. You gain life equal to its toughness.

Fear
Nezumi Cutthroat can't block.

All creatures gain fear until end of turn.
Cycling {1}{B}
When you cycle Dirge of Dread, you may have target creature gain fear until end of turn.

When Chittering Rats enters, target opponent puts a card from their hand on top of their library.

Swarm of Rats's power is equal to the number of Rats you control.

Rat offering
Whenever a permanent is put into an opponent's graveyard, that player loses 1 life.

Target player exiles all cards from their hand face down. At the beginning of the end step of that player's next turn, that player returns those cards to their hand.

Swarm of Rats's power is equal to the number of Rats you control.

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

Fear
Nezumi Cutthroat can't block.

Black creatures get +2/+0 until end of turn.

Target creature gets -2/-2 until end of turn.
Flashback—{1}{B}, Pay 3 life.

{B}, Discard a card: Regenerate Dirty Wererat.
Threshold — As long as seven or more cards are in your graveyard, Dirty Wererat gets +2/+2 and can't block.