Otrimi, the Ever-Playful
{3}{B}{G}{U}
Legendary Creature -- Nightmare Beast
6/6
Mutate {1}{B}{G}{U} (If you cast ~this~ 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.)
Trample
Whenever ~this~ deals combat damage to a player, return target creature card with mutate from your graveyard to your hand.