Open the Annex
Unholy Annex / Ritual Chamber from Duskmourn: House of Horror is a split enchantment that doubles as a doorway for Demon strategies. The Unholy Annex side sits ready for a {2}{B} unlock cost and pressures life totals across the table while the Ritual Chamber side resolves into a payoff. As an experienced player would note, the Annex offers a steady income of incremental advantage that converts board state into clocked damage while Ritual Chamber gives you a clean, immediate body to close the game when you pay the unlock price.
The printed abilities reward decks that manage board composition and timing. Use the Annex to extract value each upkeep and force awkward blocks or removal, then flip to Ritual Chamber to create a 6 6 black Demon with flying and shift tempo in your favor. The art and mechanical design fit the Duskmourn theme by turning a persistent enchantment into a one time catastrophic summon. Add this borderless Light Play copy if you want a functional staple that carries both utility and a late game finisher.
Card Details:
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Mana Cost – Unholy Annex {2}{B} // Ritual Chamber {3}{B}{B}
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Card Type – Enchantment // Enchantment
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Subtypes – Room // Room
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Card Text / Rules Text (Printed) – Unholy Annex: Unlock {2}{B}. At the beginning of your upkeep, if you control a Demon, each opponent loses 2 life and you gain 2 life. Otherwise, you lose 2 life. // Ritual Chamber: Unlock this door. When you unlock this door, create a 6/6 black Demon creature token with flying.
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Power / Toughness – Not applicable
