Arna Kennerüd, Skycaptain

Legendary Creature — Human Knight

Flying, lifelink
Ward—Discard a card.
Whenever a modified creature you control attacks, double the number of each kind of counter on it. Then for each nontoken permanent attached to it, create a token that's a copy of that permanent attached to that creature.

CMC
5
Mana cost
{2}{W}{U}{B}
Color identity
BUW
Rarity
mythic
Set
Modern Horizons 3 Promos
Price
EDHREC rank
#6861
Buy on TCGplayer
Arna Kennerüd, Skycaptain card art
Arna Kennerüd, Skycaptain copies every Aura you attach to a creature onto a second target creature — for free, at instant speed — turning incremental enchantment payoffs into board-wide explosions. The cost is a five-mana commander with no built-in protection, so she lives or dies by how fast you can suit her up before the removal comes down; Ratonhnhaké꞉ton lists treat that risk as acceptable because the ceiling on turn-one Aura doubling is absurd.

Best Commanders

Commanders with the highest synergy

01
Ratonhnhaké꞉ton

Ratonhnhaké꞉ton

44.3% of decks · synergy 0.42

Ratonhnhaké꞉ton generates an Aura every combat step, so Arna Kennerüd, Skycaptain turns each of those free attachments into two simultaneous buffs — one on the attacking creature, one on any other target — making the board scale twice as fast without spending additional mana or cards.

02
Noctis, Heir Apparent

Noctis, Heir Apparent

33.6% of decks · synergy 0.32

Noctis, Heir Apparent leans into equipment and Aura synergies to push power/toughness and keyword soup, and Arna Kennerüd, Skycaptain doubles the Aura half of that equation so you can flood two creatures with Flying, Lifelink, or whatever pushed enchantment you resolve on a single cast.

03
Eriette, the Beguiler

Eriette, the Beguiler

27.5% of decks · synergy 0.25

Eriette, the Beguiler taxes opponents for each Aura attached to their creatures, and Arna Kennerüd, Skycaptain doubles the Aura count hitting the board per spell — two enchantments trigger Eriette's drain where one did before, accelerating the life-loss clock without increasing card investment.

04
G'raha Tia, Scion Reborn

G'raha Tia, Scion Reborn

16.0% of decks · synergy 0.14

G'raha Tia, Scion Reborn rewards stacking Auras on your own creatures with card advantage and stat boosts, and Arna Kennerüd, Skycaptain's copy effect means a single Aura spell populates two creatures simultaneously — stretching G'raha's payoffs across more bodies without diluting the enchantment density.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Commander is unambiguously where Arna Kennerüd, Skycaptain belongs — a five-mana legendary whose value compounds over a long game against multiple opponents is exactly the profile this format rewards. In Legacy and Vintage she's technically legal but irrelevant; those formats aren't interested in a five-mana do-nothing-until-you-attach-an-Aura creature when faster threats dominate by turn two. Oathbreaker could find niche use pairing her with an Aura-based signature spell for repeated doubling, though the 20-life starting total compresses the window considerably.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

No current price data is available for Arna Kennerüd, Skycaptain, so check Scryfall or TCGPlayer for the live market rate before buying. Given her 44% inclusion rate in Ratonhnhaké꞉ton decks and strong synergy scores across multiple commanders, demand is real — pick her up before those numbers push the price higher than her current floor.

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