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Arcane Adaptation

Enchantment

As this enchantment enters, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

CMC
3
Mana cost
{2}{U}
Color identity
U
Rarity
rare
Set
Ixalan
Price
$4.79
EDHREC rank
#3871
Buy on TCGplayer
Arcane Adaptation card art
Arcane Adaptation turns every creature you control into whatever tribe you name the moment it resolves — one enchantment rewrites your entire board's type line for three mana. Commanders like Etrata, Deadly Fugitive and payoffs like The World Tree both lean on it hard because the effect is permanent, global, and costs nothing to maintain.

Best Commanders

Commanders with the highest synergy

01
Etrata, Deadly Fugitive

Etrata, Deadly Fugitive

47.2% of decks · synergy 0.44

Etrata, Deadly Fugitive needs her hit-triggers to connect, and Arcane Adaptation naming Assassin turns every creature in the deck into a valid attacker that triggers her ability — suddenly your whole board is doing Etrata's work, not just Etrata.

02
Kediss, Emberclaw FamiliarMalcolm, Keen-Eyed Navigator

Kediss, Emberclaw Familiar // Malcolm, Keen-Eyed Navigator

24.1% of decks · synergy 0.24

Malcolm, Keen-Eyed Navigator generates Treasure for each opponent hit by a Pirate, so Arcane Adaptation naming Pirate converts every creature in the deck into a mana engine — Kediss, Emberclaw Familiar then multiplies that damage across all opponents simultaneously.

03
Yuriko, the Tiger's Shadow

Yuriko, the Tiger's Shadow

22.5% of decks · synergy 0.19

Yuriko, the Tiger's Shadow's ninjutsu trigger requires a Ninja on board, and Arcane Adaptation naming Ninja means any unblocked creature can swap in for the damage-and-draw payoff — it's the most efficient way to break her commander-tax dependency.

04
Wick, the Whorled Mind

Wick, the Whorled Mind

17.4% of decks · synergy 0.16

Wick, the Whorled Mind cares about Rogues dealing combat damage to opponents, and Arcane Adaptation naming Rogue unlocks that payoff across every creature in the 99, making the engine dramatically easier to trigger on any given turn.

Format Analysis

Where it lives, where it can’t

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

Arcane Adaptation is a Commander card through and through — the payoff is tribal synergy at scale, and singleton formats with 99-card decks are exactly where blanket type-changing matters most. In Modern and Pioneer it's legal but essentially absent; competitive tribal decks in those formats would rather play lord effects or lords that win the game outright than spend three mana on an enchantment with no immediate board impact. Legacy and Vintage follow the same logic: the formats move too fast for a do-nothing turn-three play. Arcane Adaptation lives and dies in Commander, where you have the turns to build around it and the deck space to make the tribe matter.

Key Combos

Combo lines featuring this card

Price Context

Current price

$4.79 cheap tier

At $4.79, Arcane Adaptation sits at the high end of cheap — a fair price for a unique effect with no direct functional reprint. It's a staple in the decks that want it, and that sustained demand keeps the price stable rather than drifting down.

Explore

Sources

Mentioned

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