Koma, Cosmos Serpent

Kaldheim Promos · #221s · mythic · EN

$11.94

cheapest of 6 store offers · see all

market $16.69 (foil)

Mana cost: {3}{G}{G}{U}{U}

Type: Legendary Creature — Serpent

Commonly played as: Tokens, Sacrifice Outlet

This spell can't be countered.
At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.
Sacrifice another Serpent: Choose one —
• Tap target permanent. Its activated abilities can't be activated this turn.
• Koma gains indestructible until end of turn.

Artist: Jesper Ejsing

Released: 2021-02-05

Finishes: Foil

Market price

  • TCGplayer foil: $16.69
  • Cardmarket foil: €12.70
  • MTGO tix: 0
$18.68$16.69
233 days of daily prices for Koma, Cosmos Serpent (foil): $18.40 to $16.69
2026-01-252026-11-12
foil · 233 days tracked · $18.40 → $16.69 (-9%) · low $16.69 · high $18.68
Daily USD snapshots; a flat stretch is a day with no new price recorded.

Other languages

The same printing (Kaldheim Promos #221s) in 10 other languages.

Store prices

The 3 cheapest per condition and finish, in stock at the last check. Offers not re-confirmed within 60 days are not shown. Prices in different currencies are compared at the current exchange rate.

StoreConditionFinishPriceChecked
ManaPoolMP · foil · todayMPfoil$11.94today
CardmarketNM · foil · todayNMfoil€12.70today
ManaPoolNM · foil · todayNMfoil$16.03today
ManaPoolSP · foil · todaySPfoil$16.29today
Card KingdomSP · foil · 3 days agoSPfoil$17.843 days ago
The Games CubeNM · foil · 3 days agoNMfoil29.71 AUD3 days ago

Format legality

  • standard: not legal
  • pioneer: legal
  • modern: legal
  • legacy: legal
  • vintage: legal
  • commander: legal
  • pauper: not legal
  • brawl: legal

Decks that play this card

  • Deep Clue Sea {G}{U}{W}1 copy · 100 cards · bracket 3 · official precon

Browse all decks

All printings of Koma, Cosmos Serpent

USD · low $0.22 · high $16.69

Set#RarityUSD
Avatar: The Last Airbender Eternal#51 · mythic51mythic$4.79
Secret Lair Drop#1765 · mythic1765mythic$14.88
Murders at Karlov Manor Commander#213 · mythic213mythic$5.86
Magic Online Promos#88356 · mythic88356mythic—
Kaldheim Art Series#60 · common60common$0.22
Kaldheim Promos#221p · mythic221pmythic$6.31
Kaldheim Art Series#80 · common80common$0.24
Kaldheim Promos#221s · mythic221smythic$16.69 foil
Kaldheim#221 · mythic221mythic$6.16
Kaldheim#326 · mythic326mythic$6.48