Name: Cavern Whisperer Cost: 4B CMC: 5 Color: B CID: B Type: Creature -- Nightmare Pow/Tgh: 4/4 Rules Text: Mutate {3}{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.) Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature mutates, each opponent discards a card. Set/Rarity: Magic Online Promos common, Ikoria: Lair of Behemoths common Legality: Legal in oathbreaker, Legal in vintage, Legal in pioneer, Legal in commander, Legal in penny, Legal in brawl, Legal in gladiator, Legal in timeless, Legal in modern, Legal in historic, Legal in duel, Legal in legacy, Legal in pauper, Legal in paupercommander Price: $0.17 Foil price: $0.12