Krenko, Tin Street Kingpin

Krenko, Tin Street Kingpin {2}{R}

Legendary Creature - Goblin | Power/Toughness: 1 / 2 (CMC 3)
Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.