Muck Rats

Nightstalker Engine

Nightstalker Engine's power is equal to the number of creature cards in your graveyard.

When this creature enters, you may have target opponent sacrifice a creature of their choice.

This creature can't be blocked except by black creatures.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Destroy all creatures target opponent controls. You lose 2 life for each creature destroyed this way.

Return target creature card from your graveyard to your hand.

When this creature enters, target opponent discards a card.

Return all Nightstalker permanent cards from your graveyard to the battlefield. Then destroy all Swamps you control.

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

Target creature gets +3/+3 and gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

Flying
When this creature enters, you lose 4 life.

If this creature is unblocked, you may have it assign its combat damage to a creature defending player controls.

Earthquake deals X damage to each creature without flying and each player.