Varnern, the Unceasing

Varnern, the Unceasing enters the battlefield
with X +1/+1 counters on it.
When Varnern, the Unceasing dies, for every
+1/+1 counter on Varnern, the Unceasing create
a green and red hydra creature token with "This creatures power and toughness is equal to the the number of creatures you control."
Varnern, the Unceasing costs {2} less for every creature you control.