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 paupercommander, Legal in gladiator, Legal in historic, Legal in commander, Legal in modern, Legal in vintage, Legal in oathbreaker, Legal in duel, Legal in timeless, Legal in brawl, Legal in legacy, Legal in pioneer, Legal in penny, Legal in pauper Price: $0.03 Foil price: $0.08