What is the Unholy Annex // Ritual Chamber card?

It is a dual-faced enchantment card from the 2024 Magic: The Gathering Duskmourn: House of Horror Promos set. The card features a mana cost of {2}{B} on one side and {3}{B}{B} on the other.

What is the card number for this promo?

The card is identified by the number 118p in the Duskmourn: House of Horror Promos checklist. It is a rare foil promo card designed by Matteo Bassini.

Is this card part of the base set?

No, this card belongs to the promotional subset of the Duskmourn: House of Horror expansion. Promo cards often have unique treatments and are distributed through specific channels rather than standard booster packs.

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Marketplace

Reference artwork · details may differ from this copy

PROMO

Unholy Annex // Ritual Chamber - Image 1

About This Card

This 2024 Magic: The Gathering promo card features the dual-faced enchantment Unholy Annex // Ritual Chamber as card 118p from the Duskmourn: House of Horror Promos set.

Unholy Annex // Ritual Chamber

2024 • Magic: The Gathering • Duskmourn: House of Horror Promos

2024 Magic: The Gathering Duskmourn: House of Horror Promos

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Market Value

Raw/Ungraded Market: $1.47

Updated 8 days ago

Based on TCGplayer Market (reference)Last Updated Oct 13, 2026Check Price Guide

Market & Price History

Condition	Value	Source	Trend	Price Details
	$1.47Oct 13, 2026	Guide Estimate	+0.7%
Based on TCGplayer Market (reference) Estimate: $1.47, based on Guide Estimate. Source date not availableCaptured Oct 13, 2026 Guide Estimate: $1.47. Evidence date not available. Few comparable observations are available, so this estimate may be less reliable. Over the last 30 days, stored prices ranged from $1.46 to $1.47 across 2 capture days. Change between Sep 24, 2026 and Oct 13, 2026: 0.7%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Oct 13, 2026

$1.47Oct 13, 2026
Source
Guide Estimate
Trend
+0.7%
Price Details
Based on TCGplayer Market (reference)
Estimate: $1.47, based on Guide Estimate.
Source date not availableCaptured Oct 13, 2026
Guide Estimate: $1.47. Evidence date not available.
Few comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $1.46 to $1.47 across 2 capture days. Change between Sep 24, 2026 and Oct 13, 2026: 0.7%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Oct 13, 2026

30-day Price History

Raw / Ungraded

TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 13, 2026

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.

Product Overview

Description

The Unholy Annex // Ritual Chamber foil promo card (118p) is a distinct release from the 2024 Magic: The Gathering Duskmourn: House of Horror Promos set. Designed by Matteo Bassini, this dual-faced enchantment operates with a mana cost of {2}{B} for the first side and {3}{B}{B} for the second, totaling a mana value of 8. As a black-colored card, it fits into the broader strategy of the Magic: The Gathering trading card game, offering collectors a unique piece of the Duskmourn expansion's promotional lineup. The dual-face layout allows for gameplay flexibility, though the specific mechanics are determined by the printed rules text on the card. The card's design and rarity make it a sought-after item for those who value the artistic and mechanical contributions of the Duskmourn expansion. By focusing on the card's identity and its place within the Magic: The Gathering ecosystem, collectors can build a cohesive library of their favorite sets and promos. This card number is part of the promotional subset, distinguishing it from the standard base checklist. As new sets are released, older promos like this one retain their significance as pieces of gaming history.

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