Koma, Cosmos Serpent (Kaldheim Promos) — MTG Card Value
Kaldheim PromosWhat the Koma, Cosmos Serpent from Kaldheim Promos is worth — market price for the single.
Koma, Cosmos Serpent (Kaldheim Promos) value — Foil $17.11. Prices updated August 2026.
Live on eBay right now
Which version do you have?
If your goal is simply to own Koma, Cosmos Serpent, buy the Standard version for $6. The $17 Standard version is the Kaldheim Promos edition, offering a premium collectible status and scarcity over the base printing. Casual collectors seeking the card should choose the $6 option to save money, while dedicated collectors aiming for the best presentation should invest in the $17 Promos version.
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Price data verified against · 1
Item details
- Brand
- Mythic
- Set
- Kaldheim Promos
- Rarity
- Mythic
- Number
- #221s
Koma, Cosmos Serpent (Kaldheim Promos) value
The Koma, Cosmos Serpent from Kaldheim Promos (#221s) has a market price of $17.11.
What drives the price
For Magic singles, set, rarity, condition (NM vs played), and playability/format demand drive value. First printings, foils, and cards that see competitive or Commander play hold value best; reprints soften prices.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Foil | $17.11 | eBay sold comps |
Frequently asked questions
- What is the rarity of Koma, Cosmos Serpent from Kaldheim Promos?
- Koma, Cosmos Serpent is a Mythic rarity card from the Kaldheim Promos set.
- How much is the foil version of this card?
- The foil version of Koma, Cosmos Serpent (#221s) is priced at $17.45.
- Which set does this card belong to?
- This card originates from the Kaldheim Promos set.
![Koma, Cosmos Serpent [Foil] #221](/api/images/junkpal-products/cards/koma-cosmos-serpent-foil-221-magic-kaldheim-card/img0/thumb.webp)
![Koma, Cosmos Serpent [Showcase] #326](/api/images/junkpal-products/cards/koma-cosmos-serpent-showcase-326-magic-kaldheim-card/img0/thumb.webp)
![Koma, Cosmos Serpent [Showcase Foil] #326](/api/images/junkpal-products/cards/koma-cosmos-serpent-showcase-foil-326-magic-kaldheim-card/img0/thumb.webp)