Duskmourn: House of Horror Commander · #16
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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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Ancient Cellarspawn (DSC-16) is an Enchantment Creature — Horror from Duskmourn: House of Horror Commander. It reduces the cost of your Demon, Horror, and Nightmare spells by {1} and has a triggered ability that makes a target opponent lose life equal to the difference when you cast a spell for less mana than its mana value. Its role is as a cost-reducer and incremental life-drain engine that rewards casting spells for alternative or reduced costs in black decks.
Catalog pricing data as of 21 Apr 2026, 12:54
