Sedrox, Ever Growing Hydra

Sedrox, Ever Growing Hydra enters the
battlefield wich X +1/+1 counters on it.
Trample, hexproof, defance from sorcery
Whenever Sedrox, Ever Growing Hydra deals
combat damage to a player, put X +1/+1 counter
on Sedrox, Ever Growing Hydra, where X his
power.
This is evolution!