Altar of Dementia – MTG Proxy Modern Horizons

About Altar of Dementia

Altar of Dementia is a premium Altar of Dementia MTG proxy card from Magic: The Gathering‘s Modern Horizons set. This colorless rare artifact is most useful in decks built around sacrifice outlets, mill combos, and graveyard recursion, making it a strong option for casual Commander, cube, display, and deck testing.

Mana Cost
Type	Artifact
Text	Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
Set	Modern Horizons MH1 #218
Rarity	Rare

What Altar of Dementia Does

Altar of Dementia lets you sacrifice a creature to have target player mill cards equal to the sacrificed creature’s power. Since the ability has no mana cost, it works as a free sacrifice outlet. That makes it valuable in decks that want creatures to die, decks that want to fill graveyards, and decks that can loop creatures repeatedly.

The main value of Altar of Dementia is that it turns creature sacrifice into a win condition. Instead of only triggering death payoffs, it can mill opponents out or mill yourself to load the graveyard. The limitation is that the mill amount depends on creature power, so tiny creatures need repetition, payoffs, or combo support to close the game.

Best Uses for Altar of Dementia MTG Proxy

• Aristocrats decks: Altar of Dementia is a free sacrifice outlet that also pressures libraries.
• Reanimator decks: Sacrificing your own creatures can fill your graveyard with future recursion targets.
• Creature combo decks: Repeatable creature loops can turn Altar of Dementia into a direct win condition.
• Commander testing: It is useful when testing whether a deck wants another sacrifice outlet, a mill plan, or both.

Recommended Interactions

Altar of Dementia works well with recursive creatures, high-power creatures, death triggers, and graveyard payoffs. It is especially strong when the deck can either sacrifice large creatures or repeat sacrifice loops many times.

• Reveillark: Reveillark supports recursion loops with Altar of Dementia and other small creatures.
• Karmic Guide: Karmic Guide can bring back key creatures, helping set up repeatable sacrifice lines.
• Hogaak, Arisen Necropolis: Hogaak’s high power and graveyard casting make it a natural fit with Altar of Dementia strategies.
• Blood Artist: Blood Artist gives sacrifice loops an additional life-drain payoff alongside the mill plan.

Cards That Work Well With Altar of Dementia

Reveillark

Reveillark can return small creatures and helps create repeatable sacrifice patterns with Altar of Dementia.

Karmic Guide

Karmic Guide supports recursion lines by bringing creatures back, giving Altar of Dementia more sacrifice material.

Hogaak, Arisen Necropolis

Hogaak has high power and can be cast from the graveyard, making it a strong partner for self-mill and sacrifice strategies.

Blood Artist

Blood Artist adds life-drain pressure whenever Altar of Dementia sacrifices creatures.

Decks That Want Altar of Dementia

Altar of Dementia fits best in aristocrats, reanimator, and mill combo decks. In Commander, it is useful with commanders that care about creatures dying, graveyards filling, or creatures returning from the graveyard. In cube, it works best when sacrifice themes and graveyard strategies are both supported.

For deck testing, Altar of Dementia MTG proxy is especially useful when you want to compare free sacrifice outlets. It gives you a way to test whether your deck wants mill pressure, graveyard setup, or a combo finish instead of just another generic sacrifice outlet.

Strengths and Considerations

The main strength of Altar of Dementia is that it combines a free sacrifice outlet with a real path to winning. It does not require mana to activate, and it can target any player, which gives it flexibility as both an offensive mill tool and a self-mill setup card.

The main consideration is support. Without recursion, large creatures, or death payoffs, Altar of Dementia may not mill enough to matter quickly. Testing Altar of Dementia MTG proxy can help you decide whether the card supports your deck’s actual plan or merely offers your creatures a dramatic exit interview.

Product Quality and Proxy Use

ProxyKing cards are produced with premium print quality, proper trading-card size, ideal weight, consistent thickness, and a natural shuffle feel for sleeved casual play.

This is a proxy/playtest card for casual play, Commander, cube, display, and deck testing where proxies are allowed. It is not an official Magic card and is not tournament legal. Review our Proxy Use Policy for responsible casual use.

Browse more Artifact MTG Proxies.