Cavern Whisperer (Foil) 4B
Creature — Nightmare
Mutate 3B (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.