Grimlock, Dino Engine

Flying "Me Grimlock Jump Real High"!!

Whenever you cast a spell, put a +1/+1 counter
on Grimlock, Dino Engine for each of that
spell's colors.

Remove five +1/+1 counters from Grimlock: Add
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g} Activate only once
each turn.