Hydra with a Thousand Faces

Trample
Haste
Hydra with a thousand faces Enters the battlefield with 6 +1/+1 counters on it.
Each time Hydra with a thousand faces is dealt combat damage that is not enough to kill it, remove X +1/+1 counters from it, where X is equal to the amount of combat damage that was dealt to Hydra with a thousand faces. Put XX +1/+1 counters on it during your next untap step.