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Aeon Engine

Artifact

This artifact enters tapped.
{T}, Exile this artifact: Reverse the game's turn order. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)

CMC
5
Mana cost
{5}
Color identity
C
Rarity
rare
Set
Commander 2019
Price
$0.45
EDHREC rank
#15185
Buy on TCGplayer
Aeon Engine card art
Aeon Engine flips the turn order for the rest of the game — every opponent who was ahead of you is now behind you, permanently. The cost is seven mana and the card doing nothing until it resolves, but in a four-player pod, the effect is worth it; Toph, the First Metalbender runs it as a centerpiece precisely because reversing initiative is its own kind of threat.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern not legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Aeon Engine is a Commander card through and through — the turn-order reversal scales directly with the number of opponents, and a four-player table is exactly where permanently reshuffling who goes last is most disruptive. In Legacy and Vintage it's technically legal but irrelevant; seven mana for a political effect has no place in formats that end games on turn one or two. Oathbreaker is the only other format where Aeon Engine could theoretically matter, and only in longer, multiplayer pods where tempo differences between seat positions are meaningful.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.45 bulk tier

At $0.45, Aeon Engine sits firmly in bulk territory despite being a unique effect with no functional reprint. The low price reflects its narrow role — it's a one-of political piece that most Commander decks skip entirely — but for the builds that want it, the cost of entry is essentially nothing.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.