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Altar of Dementia
ARTIFACT Rare
Modern Horizons EDHREC #641
$19.22
+11.7%
7 days
Price history
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Altar of Dementia price history chart, default range 3 months. currently $19.22.
Altar of Dementia Price Summary
Altar of Dementia's current headline price is $19.22.
Altar of Dementia Printings & Prices
6 printings
Altar of Dementia has 6 tracked printings across 4 sets, in nonfoil, foil and double rainbow foil finishes, including serialized treatments.
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Sell Altar of Dementia: Buylist Offers
10 offers
| Buyer | Printing | Finish | Cash offer | Retail | Spread |
|---|---|---|---|---|---|
| starcitygames | BRR #66z | Double Rainbow Foil | — | — | — |
| Card Kingdom | CNS #196 | Foil | — | — | — |
| starcitygames | BRR #66 | Foil | — | — | — |
| CoolStuffInc | BRR #66 | Foil | — | — | — |
| starcitygames | BRR #3 | Foil | — | — | — |
| starcitygames | TMP #276 | Nonfoil | — | — | — |
| Card Kingdom | TMP #276 | Nonfoil | — | — | — |
| Card Kingdom | BRR #66 | Nonfoil | — | — | — |
| CoolStuffInc | BRR #3 | Foil | — | — | — |
| Card Kingdom | MH1 #218 | Foil | — | — | — |
Altar of Dementia Rules Text & Legality
View on Scryfall ↗Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
""It is not that you will go mad. It is that you will beg for madness."
—Volrath"
Altar of Dementia is legal in Modern, Legacy and Commander, and not legal in Standard, Pioneer and Pauper.
standard
Not legal
pioneer
Not legal
modern
Legal
legacy
Legal
commander
Legal
pauper
Not legal
Altar of Dementia Rulings
2 most recent
- Jun 14, 2019 If the target player's library contains fewer cards than the sacrificed creature's power, all of those cards are put into that player's graveyard. That player won't lose the game until they try to draw from the empty library.
- Jun 14, 2019 The number of cards the target player puts into their graveyard is equal to the power of the sacrificed creature as it last existed on the battlefield.
Reprints & Reprint Risk
10 printings
Altar of Dementia has been reprinted 10 times.
| Set | Date | Rarity | Treatment |
|---|---|---|---|
| BRR #66z | 2022-11-18 | Mythic | Serialized |
| BRR #3 | 2022-11-18 | Mythic | Standard |
| BRR #3 | 2022-11-18 | Mythic | Standard |
| BRR #66 | 2022-11-18 | Mythic | Standard |
| BRR #66 | 2022-11-18 | Mythic | Standard |
| MH1 #218 | 2019-06-14 | Rare | Standard |
| MH1 #218 | 2019-06-14 | Rare | Standard |
| CNS #196 | 2014-06-06 | Rare | Standard |
| CNS #196 | 2014-06-06 | Rare | Standard |
| TMP #276 | 1997-10-14 | Rare | Standard |
BRR #66z 
CNS #196 
TMP #276 Altar of Dementia in Commander
Altar of Dementia is the #641 most-played card on EDHREC, down 14 places over the last 30 days.
Altar of Dementia FAQ
How much is Altar of Dementia worth?
Altar of Dementia is worth about $19.22 for its cheapest playable printing as of Sep 23, 2026.
Is Altar of Dementia legal in Commander?
Yes — Altar of Dementia is legal in Commander. It is also legal in Modern and Legacy.
Has Altar of Dementia been reprinted?
Yes — Altar of Dementia has been reprinted 10 times, with 6 printings tracked on The Index.
Why is Altar of Dementia expensive?
Altar of Dementia holds a $19.22 price because Commander demand is high (#641 on EDHREC) and even with 10 reprints, demand keeps pace with supply.