Altar of Dementia

The Brothers' War Retro Artifacts, Magic: The Gathering, #66, Mythic, art by Isis. TCGplayer product name: Altar of Dementia (Schematic) (Serial Numbered)

Altar of Dementia

Printing: Foil, Near Mint

$688

TCGplayer market price (an average of recent sales)

As of Oct 24 (3 days ago). Unchanged across this 30-day window.

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Price trend

Oct 17 $688 → Oct 24, 2026 $688 0.0%

$688
Oct 17, 2026Oct 19, 2026Oct 20, 2026Oct 21, 2026Oct 24, 2026

Sep 24 $688 → Oct 24, 2026 $688 0.0%

$688
Sep 24, 2026Oct 4, 2026Oct 9, 2026Oct 14, 2026Oct 24, 2026

Aug 3 $700 → Oct 24, 2026 $688

$700$680$688
Aug 3, 2026Aug 30, 2026Sep 13, 2026Sep 26, 2026Oct 24, 2026

Oct 24, 2025 $369 → Oct 24, 2026 $688 +86.6%

$700high$363$400$500$600$688
Oct 24, 2025Feb 22, 2026Apr 24, 2026Jun 24, 2026Oct 24, 2026

Feb 8, 2024 $360 → Oct 24, 2026 $688 +91.0%

$700high$200$400$600$688
Feb 8, 2024Jan 2, 2025Jun 16, 2025Nov 28, 2025Oct 24, 2026
Market details

Sold vs asking

Recent sales (TCGplayer market price)$688
Sellers asking (median listing)$1,000
0$1,000

Sellers ask 1.5× the recent sale price.

Asking figure from TCGplayer listings, as of Oct 24.

Record

Price history Feb 8, 2024 to Oct 24, 2026

Highest$700May 31, 2026 to Aug 31, 2026
Lowest$200Jun 21, 2024 to Jul 3, 2024
Vs highest2% below $700

Same set: The Brothers' War Retro Artifacts (189)

Adaptive Automaton$1.19Burnished Hart$0.15Caged Sun$3.87Inspiring Statuary$0.45Mind's Eye$4.89Mystic Forge$5.31

Same artist: Isis (34)

Unseal the Necropolis$0.15The ListVoidslime$0.35Ravnica Remastered

Keep exploring

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Live market

Newest TCGplayer value: Oct 24, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.