Rahk, Mutated Horror

Trample, Protection from Deathtouch
This creature enters the battlefield with 3 blood counters
{2}, {t}: put a blood counter on this creature, you
gain a poison counter
{5}, {t}, remove a blood counter from this
creature: destroy target creature that has not
escaped this game
This creature gets +X/+X where X is twice the
number of poison counters you have