Pidgeotto

Mutate {1}{w}(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.)
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
Flying
Whenever this creature mutates, tap target
creature an opponent controls. If it mutated
onto Pidgey, return that creature to its
owner's hand and draw a card.