Trumpeting Gnarr
From Ikoria: Lair of Behemoths set
Trumpeting Gnarr
Creature — Beast
3/3
Mutate
(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, create a 3/3 green Beast creature token.