Consumer of Worlds

Trample, first strike, menace (This creature can
deal excess combat damage to player or planeswalker
it's attacking, deals combat damage before creatures
without first strike, and this creature can't be blocked
except by two or more creatures.)
{x}{b}{r}{g}: Monstrosity X. (If this creature
isn't monstrous, put X +1/+1 counters on it and
it becomes monstrous.)
Its hunger knows no limit.