Ancient Cellarspawn DSC/16

Set: Duskmourn: House of Horror Commander
Collector Code: DSC/16
Name: Ancient Cellarspawn
Type: Enchantment Creature — Horror
Oracle text: Each spell you cast that's a Demon, Horror, or Nightmare costs {1} less to cast. Whenever you cast a spell, if the amount of mana spent to cast it was less than its mana value, target opponent loses life equal to the difference.
Rarity: Rare