Koma, Cosmos Serpent
Legendary Creature — Serpent · Mythic
Koma, Cosmos Serpent is currently worth about $3.34 for its most affordable printing, tracked daily across Scryfall, TCGplayer, and Card Kingdom.
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.
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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Prices by printing
Latest tracked estimates. Updated daily.
| Set | No. | Rarity | Nonfoil | Foil |
|---|---|---|---|---|
| Kaldheim Promos | 221s | Mythic | — | $17.45 |
| Secret Lair Drop | 1765 | Mythic | $14.54 | — |
| Kaldheim Promos | 221p | Mythic | $6.55 | $5.42 |
| Kaldheim | 221 | Mythic | $6.33 | $6.56 |
| Murders at Karlov Manor Commander | 213 | Mythic | $6.09 | — |
| Kaldheim | 326 | Mythic | $5.98 | $15.28 |
| Avatar: The Last Airbender Eternal | 51 | Mythic | $3.34 | $4.73 |
| Magic Online Promos | 88356 | Mythic | — | — |
Price intelligence
Kaldheim Promos #221s — every source we track. The spread between retailers is where the deals live.
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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Frequently asked
How much is Koma, Cosmos Serpent worth?
Koma, Cosmos Serpent is currently worth about $3.34 for its most affordable printing, based on live market estimates tracked daily on RareWell. Copies range from $3.34 to $17.45 across printings and finishes.
Which sets was Koma, Cosmos Serpent printed in?
Koma, Cosmos Serpent has been printed in 6 sets, including Kaldheim Promos, Avatar: The Last Airbender Eternal, Kaldheim, Secret Lair Drop, Murders at Karlov Manor Commander, Magic Online Promos.
Can I buy Koma, Cosmos Serpent on RareWell?
No copies of Koma, Cosmos Serpent are listed right now, but collectors list cards daily — and if you own one, you can list it for sale or trade 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.
Printed in: Kaldheim Promos · Avatar: The Last Airbender Eternal · Kaldheim · Secret Lair Drop · Murders at Karlov Manor Commander · Magic Online Promos
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