Destroy any number of nontoken creatures whenever a black creature enters the battlefield under your control, Destroy any number of nontoken creatures whenever a creature dies, Lock
Put a black creature onto the battlefield under your control.
Shadow Alley Denizen triggers, targeting any nontoken creature an opponent controls.
Horobi triggers, destroying the targeted creature.
When the creature dies, Ogre Slumlord triggers, creating a 1/1 Rat creature token.
Repeat from step 2.
Component Cards
How It Works
Put a black creature onto the battlefield under your control.
Shadow Alley Denizen triggers, targeting any nontoken creature an opponent controls.
Horobi triggers, destroying the targeted creature.
When the creature dies, Ogre Slumlord triggers, creating a 1/1 Rat creature token.
Repeat from step 2.