Kalharaen, Cobra Zen

Trample
When Kalharaen, Cobra Zen enters the battlefield, put 5 zen counters on it.
Whenever a +!/+! counter is put on this creature, remove 1 zen counter.
When there are no more zen counters on
Kalharaen, Cobra Zen, transform it.
Deep within the forest lies a power no one wants
awakened.