Grugshk, the Strong

Trample, Menace
Whenever a creature enters the battlefield under your control, put a +1/+1 counter on Grugshk.
Whenever a creature you control dies, put a +1/+1 counter on Grugshk.
{x}{b}{g}: Remove X +1/+1 counters from Grugshk, Grugshk gets two times +X/+X until end of turn.