Chittering Harvester - Ikoria: Lair of Behemoths (IKO)

Chittering Harvester - 5, Black

Creature - Nightmare

Uncommon - Ikoria: Lair of Behemoths (IKO)

Mutate 4, Black (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, each opponent sacrifices a creature.

4/6