Shadow Alley Denizen Combos
Horobi, Death's Wail + Ogre Slumlord + Shadow Alley Denizen
Combo result
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.
Prerequisites
All permanents on the battlefield. You have a way to put a black creature onto the battlefield under your control.
Horobi, Death's Wail + Shadow Alley Denizen + Overseer of the Damned
Combo result
Destroy any number of nontoken creatures opponents control whenever a black creature enters the battlefield under your control. Destroy any number of nontoken creatures whenever a creature dies.
Prerequisites
All permanents on the battlefield. You have a way to put a black creature onto the battlefield under your control.