Ancient Cellarspawn (0047) (Extended Art) (DSC)

Card 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.

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Where it treads, plants wither. Where it breathes, poison spreads.