Ill-Gotten Greed

Whenever a player attacks you with one or more creatures, put a greed counter on Ill-Gotten Greed.
{t}: sacrifice Ill-Gotten Greed, deal X damage to any target where X is the number of greed counters on Ill-Gotten Greed.
You may hurt me, trod me into the dirt with your dark, twisted lies, but trust me, you Have no idea what I am capable of.