Karraton, the Awoken Rage

Karraton, the Awoken Rage enters the battlefield
with X +1/+1 counters on him.
Hydras you control enter the battlefield with 3
extra +1/+1 counters on them.
{r}{g}, Remove X +1/+1 counters from target
Hydra you control: Karraton deals X damage to
any target.