Chittering Harvester

Ikoria: Lair of Behemoths · #80 · Uncommon

Creature — Nightmare

Mutate {4}{B} (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 of their choice.