Ivysaur

Mutate Bulbasaur {1}{b}{g} (If you cast this spell for its mutate cost, put it over or under target Bulbasaur you own. They mutate into the creature on top plus all abilities from under it.)

Sleep Powder — {2}{g},{t}: Tap target creature
and put a stun counter on it.

Poison Powder — {2}{b},{t}: Put two -1/-1 counters on target creature that has no
counters on it.