Unholy Annex // Ritual Chamber 2 manaB mana

Enchantment — Room

Oracle Text

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. (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.) When you unlock this door, create a 6/6 black Demon creature token with flying. (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.)

Format Legality

StandardPioneerModernLegacyVintageDuel Commander

Competitive Play by Format

Top 8 decklists that played Unholy Annex // Ritual Chamber, by format.

Format Decks 30d Avg 30d Decks 12mo Avg 12mo
Pioneer 55 3.7 491 3.9
Standard 0 0 59 2.7

Details

Set
Duskmourn: House of Horror Promos
Rarity
Rare
Mana value
0
FoilBorderless

Recent Top-8 Decks Playing Unholy Annex // Ritual Chamber

pokerswizard ·Pioneer Challenge 32 · July 05, 2026 Pioneer
7

Final: 7 | Swiss: 6

Main Deck

AFX ·Pioneer Challenge 32 · July 05, 2026 Pioneer
4

Final: 4 | Swiss: 5

Sideboard

AFX ·Pioneer Challenge 32 · July 04, 2026 Pioneer
7

Final: 7 | Swiss: 7

Sideboard

Strongmind ·Pioneer Challenge 32 · July 04, 2026 Pioneer
6

Final: 6 | Swiss: 6

Strongmind ·Pioneer Challenge 32 · July 03, 2026 Pioneer
7

Final: 7 | Swiss: 6

LucasG1ggs ·Pioneer Challenge 32 · July 02, 2026 Pioneer
1

Final: 1 | Swiss: 2

Sideboard

Strongmind ·Pioneer Challenge 32 · July 02, 2026 Pioneer
4

Final: 4 | Swiss: 6

Arianne ·Pioneer Challenge 32 · June 29, 2026 Pioneer
8

Final: 8 | Swiss: 7

hirata ·Pioneer Challenge 32 · June 29, 2026 Pioneer
2

Final: 2 | Swiss: 2

Sideboard

e0068 ·Pioneer Challenge 32 · June 29, 2026 Pioneer
7

Final: 7 | Swiss: 6

Strongmind ·Pioneer Challenge 32 · June 28, 2026 Pioneer
2

Final: 2 | Swiss: 2

kaikas ·Pioneer Challenge 32 · June 28, 2026 Pioneer
3

Final: 3 | Swiss: 1

Strongmind ·Pioneer Challenge 32 · June 28, 2026 Pioneer
5

Final: 5 | Swiss: 5

Arianne ·Pioneer Challenge 32 · June 27, 2026 Pioneer
3

Final: 3 | Swiss: 6