Sulfur Spike Wolverine

Mutate {3}{r}{r} (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.)
First strike
Whenever this creature mutates, gain control of
target creature until end of turn. Untap that
creature. It gains haste until end of turn.