Polukranos, Erebos's Servant

During each endstep, put X +1/+1 counters on Polukranos, Erebos's Servant, where X is half the damage it took this turn rounded up.
{2}{b/g} Regenerate Polukranos, Erebos's Servant.
Polukranos, Erebos's Servant has Trample as long as it is enchanted.
You seemed to love its strength so much, how could I resist? -Erebos to Nylea