Altar of Dementia
Tracked across real Commander games played through TurnZero HQ.
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What it does
Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
Combos with Altar of Dementia
The lines this card is part of, what it needs alongside it, and what the cards do together. An infinite result is the one that moves a deck's bracket.
- Luminous Broodmoth Infinite
- Infinite creature LTB
- Infinite creature ETB
- Infinite creature sacrifice triggers
- Infinite death triggers
- Infinite mill
- Infinite self-mill
- Thran Vigil Infinite
- Infinite creature ETB
- Infinite creature LTB
- Infinite creature sacrifice triggers
- Infinite death triggers
- Infinite mill
- Infinite self-mill
- Rhythm of the Wild Infinite
- Infinite creature ETB
- Infinite creature LTB
- Infinite death triggers
- Infinite mill
- Infinite creature sacrifice triggers
- Infinite self-mill
- Young Necromancer Infinite
- Infinite self-mill
- Near-infinite death triggers
- Near-infinite creature ETB
- Near-infinite creature LTB
- Near-infinite creature sacrifice triggers
- Ivy Lane Denizen Infinite
- Infinite creature LTB
- Infinite creature ETB
- Infinite mill
- Infinite self-mill
- Kroxa and Kunoros Infinite
- Exile your library
- Infinite self-mill
- The Great Henge Infinite
- Infinite self-mill
- Infinite creature ETB
- Infinite creature LTB
- Infinite death triggers
- Infinite mill
- Infinite creature sacrifice triggers
- Moritte of the Frost Infinite
- Infinite death triggers
- Infinite creature ETB
- Infinite creature LTB
- Infinite mill
- Infinite creature sacrifice triggers
- Infinite self-mill
Showing the 8 shortest and most explosive. This card appears in more than these. Follow any of them through to Commander Spellbook to browse the rest.
Combo data from Commander Spellbook, the community-maintained database of Magic combos. Mirrored nightly.
Rulings
2 official rulings, in the order Wizards published them.
- 2019-06-14
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.
- 2019-06-14
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.
Rulings are Wizards of the Coast's own, mirrored from Scryfall and refreshed nightly.
In the 99
Every deck whose current list includes Altar of Dementia, whatever its commander.
Most played under
| Commander | Decks | Games | Win rate |
|---|---|---|---|
| Biollante | 1 | 0 | — |
| Dargo, the Shipwrecker | 1 | 0 | — |
| Karador, Ghost Chieftain | 1 | 0 | — |
| Teval, the Balanced Scale | 1 | 0 | — |
| Tymna the Weaver | 1 | 0 | — |
| Wilhelt, the Rotcleaver | 1 | 0 | — |
Colors it shows up in
- Dimir 1 deck
- Sultai 1 deck
- Abzan 1 deck
- Mardu 1 deck
Altar of Dementia price history
The Modern Horizons #218 printing, as Scryfall reports the TCGplayer market. Updated nightly. Click any version below to chart its price.
Every recorded price change
| Date | Non-foil | Foil |
|---|---|---|
| Oct 27, 2026 | $17.17 | $20.99 |
| Oct 26, 2026 | $17.17 | $20.99 |
| Oct 25, 2026 | $17.17 | $21.01 |
| Oct 24, 2026 | $17.31 | $21.01 |
| Oct 23, 2026 | $17.22 | $21.01 |
| Oct 22, 2026 | $17.19 | $21.01 |
| Oct 21, 2026 | $16.95 | $21.01 |
| Oct 20, 2026 | $16.43 | $21.01 |
| Oct 19, 2026 | $16.47 | $21.01 |
| Oct 18, 2026 | $16.33 | $21.01 |
| Oct 17, 2026 | $16.29 | $20.89 |
| Oct 16, 2026 | $16.28 | $20.89 |
| Oct 15, 2026 | $15.98 | $20.89 |
| Oct 13, 2026 | $16.10 | $20.90 |
| Oct 12, 2026 | $16.47 | $20.67 |
| Oct 10, 2026 | $16.74 | $20.67 |
| Oct 9, 2026 | $17.15 | $20.67 |
| Oct 8, 2026 | $17.25 | $20.67 |
| Oct 7, 2026 | $17.01 | $20.67 |
| Oct 6, 2026 | $16.29 | $20.73 |
| Oct 5, 2026 | $17.03 | $20.73 |
| Oct 4, 2026 | $17.21 | $20.73 |
| Oct 3, 2026 | $16.93 | $20.73 |
| Oct 2, 2026 | $16.95 | $20.81 |
| Oct 1, 2026 | $16.80 | $20.81 |
| Sep 30, 2026 | $17.43 | $20.86 |
| Sep 29, 2026 | $18.25 | $20.86 |
| Sep 28, 2026 | $18.54 | $21.05 |
A row is recorded only on nights the price moved, so each price held until the row above it.
Every version of Altar of Dementia
6 printings, newest first. Prices are the market figures Scryfall publishes, refreshed nightly. A printing with no figure shows a dash rather than a zero, because Scryfall publishes none for some of them. Click a card's art to chart that version's price above.
The Brothers' War Retro Artifacts
- Normal
- $16.34
- Foil
- $23.41
The Brothers' War Retro Artifacts
- Normal
- $24.44
- Foil
- $44.47
The Brothers' War Retro Artifacts
- Foil
- $687.50
- Normal
- $17.17
- Foil
- $20.99
- Normal
- $18.75
- Foil
- $22.56
- Normal
- $26.66
Prices from Scryfall, which tracks the TCGplayer and Cardmarket markets. They move daily and are a guide rather than a quote. Search TCGplayer for Altar of Dementia. It runs a name search across every version, which covers the printings TCGplayer publishes no direct link to.
Aggregated from Commander games tracked in TurnZero HQ. Every figure counts decks and games only. No individual deck list, player or playgroup is identified. Win rates are withheld below 5 completed games, where the sample is too small to mean anything.
