Name: Chittering Harvester Cost: 5B CMC: 6 Color: B CID: B Type: Creature -- Nightmare Pow/Tgh: 4/6 Rules Text: 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. Set/Rarity: Magic Online Promos uncommon, Ikoria: Lair of Behemoths uncommon Legality: Legal in brawl, Legal in historic, Legal in oathbreaker, Legal in gladiator, Legal in vintage, Legal in timeless, Legal in duel, Legal in modern, Legal in legacy, Legal in pioneer, Legal in commander Price: $0.06 Foil price: $0.22