Mega Charizard X

Mutate {4}{b}{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.)
---{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}
Flying, menace, trample
Whenever this creature mutates, if it mutated
onto Charizard, draw 5 cards.
Whenever Mega Ch