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Assimilation Aegis

Artifact — Equipment

When this Equipment enters, exile up to one target creature until this Equipment leaves the battlefield.
Whenever this Equipment becomes attached to a creature, for as long as this Equipment remains attached to it, that creature becomes a copy of a creature card exiled with this Equipment.
Equip {2}

CMC
3
Mana cost
{1}{W}{U}
Color identity
UW
Rarity
mythic
Set
Outlaws of Thunder Junction
Price
$0.40
EDHREC rank
#9658
Buy on TCGplayer
Assimilation Aegis card art
Assimilation Aegis staples a copy trigger onto any Equipment that already wants to be attacking — exile a creature, turn it into a 4/4 that keeps your best gear equipped, and you've generated tempo and board presence simultaneously. The cost is real: this asks you to build around it, and commanders like Medomai the Ageless or Sokka and Suki do that work far better than generic beatdown shells.

Best Commanders

Commanders with the highest synergy

01
Sokka and Suki

Sokka and Suki

47.5% of decks · synergy 0.47

Sokka and Suki appears in nearly half of all Assimilation Aegis lists because the commander's attack-trigger gameplan wants exactly what the Aegis offers: exile a blocker, replace it with a compliant 4/4, and keep the pressure multiplying every combat.

02
Arna Kennerüd, Skycaptain

Arna Kennerüd, Skycaptain

27.1% of decks · synergy 0.26

Arna Kennerüd, Skycaptain copies Auras and Equipment on entry, so Assimilation Aegis hitting the battlefield under Arna means two exile-and-replace threats at the cost of one card — the copy trigger compounds the already-snowballing Equipment value Arna generates.

03
Ratonhnhaké꞉ton

Ratonhnhaké꞉ton

20.3% of decks · synergy 0.19

Ratonhnhaké꞉ton's three-attack requirement turns Assimilation Aegis into a recursive removal engine; every successful assault can exile a new blocker and rebuild the board state as a 4/4 that keeps fueling the next attack trigger.

Format Analysis

Where it lives, where it can’t

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

Assimilation Aegis is legal across Commander, Legacy, Modern, Pioneer, Standard, Vintage, and Oathbreaker, but it's Commander where the card earns its slot. In 60-card formats the two-mana equip cost and reliance on combat make it too slow against linear aggro and combo decks that don't care about your 4/4 token. Commander's multiplayer pacing and longer game give Assimilation Aegis the turns it needs to generate repeated value — exile a troublesome creature each attack, accumulate tokens, and let the card advantage compound. In Oathbreaker it's playable but competes with faster engines; treat it as a fringe inclusion there unless your signature spell actively cares about Equipment.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.40 bulk tier

At $0.40, Assimilation Aegis is firmly bulk — an easy pickup that costs less than most sleeves. Bulk rares from recent sets tend to stay in this range unless a competitive format finds them, and nothing in Assimilation Aegis's text screams 60-card breakout, so treat it as a stable, low-risk add to any Commander list that wants it.

Explore

Sources

Mentioned

← All cards

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