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  5. The Brothers' War: Retro Frame Artifacts
  6. Altar of Dementia

Magic · The Brothers' War: Retro Frame Artifacts · #3 · Mythic

Altar of Dementia

Magic card price for Altar of Dementia: $23.58 market, from $22.33 at the cheapest listing, Foil printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.

Market price · Foil · Oct 18, 2026
$23.58
−1.3% this week · −3.0% in 30 days
Buy on eBay →
1 day0.0%
7 days−1.3%
30 days−3.0%
90 days−5.9%
1 year+45.7%
All time+228.4%

Sellers right now

$22.33lowest listing$342.52highest
Market price$23.58
Mid listing$27.76
Direct$26.56
30-day avg$23.78

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$23.58
Cardmarket$25.58 €22.73

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$15.6952-week low$25.5252-week high
In the range80%
All-time low$6.85
All-time high$25.52
First priceFeb 8, 2024
Foil · market priceCardmarket (EU, in USD)
$5.74$12.89$20.04$27.19
$23.58
Feb 2024Dec 2024Nov 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Our price record for Altar of Dementia (Foil) begins in February 2024 at $7.18; the market price today is $23.58, up 228% since then. In the last year the price changed +45.7% and ranged from $15.69 to $25.52, and it now trades near the top of that range. The highest price we have recorded is $25.52, 8.2% above today. Listings currently start at $22.33; over the last 30 days the market price averaged $23.78.

Printings

PrintingMarketLowHigh7d
Foil$23.58$22.33$342.52−1.3%
Normal$17.36$14.77$104.95−4.9%

The card in play

Type line
Artifact
Rules text

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Flavor

"It is not that you will go mad. It is that you will beg for madness." —Volrath

Other printings of Altar of Dementia

5 more · $21.01 – $687.50
All printings
Altar of Dementia (Schematic) (Serial Numbered) (66), The Brothers' War: Retro Frame Artifacts — Magic card price 0.0% 7d Altar of Dementia (Schematic) (Serial Numbered) The Brothers' War: Retro Frame Artifacts · #66 $687.50 Altar of Dementia (Schematic) (66), The Brothers' War: Retro Frame Artifacts — Magic card price +0.3% 7d Altar of Dementia (Schematic) The Brothers' War: Retro Frame Artifacts · #66 $43.32 Altar of Dementia (276), Tempest — Magic card price −0.2% 7d Altar of Dementia Tempest · #276 $26.66 Altar of Dementia (196), Conspiracy — Magic card price −3.8% 7d Altar of Dementia Conspiracy · #196 $22.56 Altar of Dementia (218), Modern Horizons — Magic card price +1.6% 7d Altar of Dementia Modern Horizons · #218 $21.01

Also in The Brothers' War: Retro Frame Artifacts

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Full set
Ashnod's Altar (Schematic) (Serial Numbered) (67), The Brothers' War: Retro Frame Artifacts — Magic card price 0.0% 7d Ashnod's Altar (Schematic) (Serial Numbered) The Brothers' War: Retro Frame Artifacts · #67 $1,199.99 Altar of Dementia (Schematic) (Serial Numbered) (66), The Brothers' War: Retro Frame Artifacts — Magic card price 0.0% 7d Altar of Dementia (Schematic) (Serial Numbered) The Brothers' War: Retro Frame Artifacts · #66 $687.50 Mishra's Bauble (Schematic) (Serial Numbered) (97), The Brothers' War: Retro Frame Artifacts — Magic card price 0.0% 7d Mishra's Bauble (Schematic) (Serial Numbered) The Brothers' War: Retro Frame Artifacts · #97 $650.00 Caged Sun (Schematic) (Serial Numbered) (72), The Brothers' War: Retro Frame Artifacts — Magic card price 0.0% 7d Caged Sun (Schematic) (Serial Numbered) The Brothers' War: Retro Frame Artifacts · #72 $645.00 Helm of the Host (Schematic) (Serial Numbered) (82), The Brothers' War: Retro Frame Artifacts — Magic card price 0.0% 7d Helm of the Host (Schematic) (Serial Numbered) The Brothers' War: Retro Frame Artifacts · #82 $637.00