| Rarity | R |
| # | 118 |
| Creature Type or Sub Type | Enchantment — Room |
| Rules Text Contains |
Unholy Annex At the beginning of your end step, draw a card. If you control a Demon, each opponent loses 2 life and you gain 2 life. Otherwise, you lose 2 life. / Ritual Chamber When you unlock this door, create a 6/6 black Demon creature token with flying. |
| Flavor | (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it) |
| Game | Magic: The Gathering |
| Set | Duskmourn: House of Horror |