Wildtusk Ape

Mutate {1}{r}{g} (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 Wildtusk Ape mutates, you may sacrifice another creature or artifact. If you do, Wildtusk Ape deals damage to target creature equal to the sacrificed permanent's converted