Violence-Bred Krasis

Graft 3 (This creature enters the battlefield with three
+1/+1 counters on it. Whenever another creature
enters the battlefield, you may move a +1/+1 counter
from this creature onto it.)
Riot (This creature enters the battlefield with your
choice of an additional +1/+1 counter or haste.)
Evolve (Whenever a creature enters the battlefield
under your control, if that creature has greater power
or toughness than this creature, put a +1/+1 counter
on this creature.)