Koma, Cosmos Serpent · Kaldheim Promos
Legendary Creature — Serpent · Mythic · #221s
The Kaldheim Promos printing of Koma, Cosmos Serpent is worth about $6.55, tracked daily across Scryfall, TCGplayer, and Card Kingdom.
Format legality
Card facts
- Mana value
- 7
- Color identity
- G · U
- Type line
- Legendary Creature — Serpent
- Rarity
- Mythic
- First printed
- 2021
- Artist
- Jesper Ejsing
- P/T
- 6/6
Playability
#1392 most-played card on EDHREC — Widely played
Popularity data from EDHREC
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Versions in Kaldheim Promos
| No. | Rarity | Nonfoil | Foil |
|---|---|---|---|
| #221s | mythic | — | $17.45 |
| #221p | mythic | $6.55 | $5.42 |
Price intelligence
Kaldheim Promos #221s — every source we track.
All sources
| Source | foil | As of |
|---|---|---|
| Scryfall estimate | $17.45 | 2026-07-28 |
Price trend · 90 days
foil
$17.45 – $17.45 · Scryfall estimate
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Also printed in
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Frequently asked
How much is Koma, Cosmos Serpent from Kaldheim Promos worth?
The Kaldheim Promos printing of Koma, Cosmos Serpent is currently worth about $17.45 foil, based on live market estimates tracked daily on RareWell.
Is Koma, Cosmos Serpent printed in other sets?
Yes — besides Kaldheim Promos, Koma, Cosmos Serpent appears in 5 other sets, including Avatar: The Last Airbender Eternal, Kaldheim, Secret Lair Drop, Murders at Karlov Manor Commander, Magic Online Promos. Compare every printing on the main Koma, Cosmos Serpent page.
Can I buy the Kaldheim Promos Koma, Cosmos Serpent on RareWell?
This printing isn't listed right now, but collectors list cards daily — and if you own one, you can list it in minutes, free.
Is Koma, Cosmos Serpent legal in Commander?
Yes — Koma, Cosmos Serpent is legal in Commander (EDH).
Is Koma, Cosmos Serpent legal in Modern?
Yes — Koma, Cosmos Serpent is legal in Modern.
Is Koma, Cosmos Serpent on the Reserved List?
No — Koma, Cosmos Serpent is not on the Reserved List.
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