Souvenir Snatcher
Souvenir Snatcher
Mutate {5}{U} (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.)\nFlying\nWhenever this creature mutates, gain control of target noncreature artifact.
Big Mana Bird Kindred Flying Mutate Theft