Relic Amulet [Zendikar Rising]

Set: Zendikar Rising Type: Artifact Rarity: Uncommon Cost: {2} Whenever you cast an instant, sorcery, or Wizard spell, put a charge counter on Relic Amulet.{2}, {T}, Remove all charge counters from Relic Amulet: It deals that much damage to target creature. Old power finds new purpose.