Zooble, The Broken

Whenever Zooble, The Broken enters the battlefield, put a Creation Token on it.
Whenever Zooble, The Broken leaves the battlefield, you may remove a Creation Token
from it. If you do, put Zooble, The Broken into
your hand.
Everytime you cast Zooble, The Broken, it costs {2} more than the previous time you casted it.