The Storm Giant's Avatar

At the beginning of your upkeep or Whenever another Creature you contril deals combat damage to a player, put a Fury counter on this creature.

Remove 2 Fury counters from this creature: put a +1/+1 counter on target creature.

Remove 4 Fury counters from this creature: this creature deals X damage to any target where X is this creatures power.

Remove 6 Fury Counters from this creature: put a creature from your hand onto the Battlefield.