Yulamek, Eternal King

Flying, Flash
When Yulamek, Eternal King enters the battlefield or attacks, draw a card for how much damage you have dealt this turn. Then put a +1/+1 counter on Yulamek, Eternal King.
{3}: Destroy a non-land permanent that is equal or less to how many +1/+1 counters are on Yulamek, Eternal King.