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Ancient Cellarspawn

Duskmourn: House of Horror Commander (DSC)

{1}{B}{B}

Enchantment Creature — Horror

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.
Format legality

Constructed

StandardNot legal
PioneerNot legal
ModernNot legal
LegacyLegal
VintageLegal
PauperNot legal

Commander

CommanderLegal
Pauper CommanderNot legal
Duel CommanderLegal
PreDHNot legal
OathbreakerLegal
Tiny LeadersLegal

Arena

AlchemyNot legal
HistoricNot legal
TimelessNot legal
BrawlNot legal
Standard BrawlNot legal
Competitive BrawlNot legal
GladiatorNot legal

Other

PremodernNot legal
Old SchoolNot legal
Penny DreadfulNot legal
Future StandardNot legal

Versions

2 printings · from $6.44

Duskmourn: House of Horror Commander
2024#47In products
Extended Art

Rulings

4 · latest Sep 20, 2024
  • WotCSep 20, 2024

    Ancient Cellarspawn's last ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.

  • WotCSep 20, 2024

    For spells with {X} in their mana costs, use the value chosen for X to determine the spell's mana value.

  • WotCSep 20, 2024

    If the spell is no longer on the stack when Ancient Cellarspawn's last ability resolves, use its mana value as it last existed on the stack.

  • WotCSep 20, 2024

    To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.