Koma, Cosmos Serpent Price
8 printings · 6 sets · first printed 2021
Koma, Cosmos Serpent has been printed 8 times across 6 sets, first in 2021 and most recently in 2025. Right now the cheapest printing is Avatar: The Last Airbender Eternal #51 at $4.52, while the most expensive is Kaldheim Promos #221s at $16.69 — about 4× more. The median across 7 priced printings is $6.32. Reprint risk: ELEVATED — Reprinted 8x total; appeared once in a dedicated reprint set (Murders at Karlov Manor Commander).
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Every Koma, Cosmos Serpent Printing, Compared
Cheapest first · unpriced last| Printing | Year | Price | Dealer Buys |
|---|---|---|---|
| Avatar: The Last Airbender Eternal #51 (M) Cheapest | 2025 | $4.52 | $2.00 |
| Kaldheim #221 (M) | 2021 | $5.86 | $3.25 |
| Murders at Karlov Manor Commander #213 (M) | 2024 | $6.31 | $4.00 |
| Kaldheim Promos #221p (M) | 2021 | $6.32 | $3.95 |
| Kaldheim #326 (M) | 2021 | $6.58 | $5.00 |
| Secret Lair Drop #1765 (M) | 2024 | $14.67 | $9.00 |
| Kaldheim Promos #221s (M) Foil | 2021 | $16.69 | $11.50 foil |
| Magic Online Promos #88356 (M) | 2021 | — | — |
Prices are the latest nightly market price; a printing with no tracked price shows a dash. Dealer buylist is Card Kingdom's current offer via MTGJSON, shown where one exists.
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.
Legality is a property of the card, not the printing, so it is identical for all 8 versions.
Official Judge Precedents
5 PrecedentsA spell or ability that counters spells can still target Koma, Cosmos Serpent. When that spell or ability resolves, Koma won't be countered, but any additional effects of the countering spell or ability will still happen.
The first mode of Koma's activated ability doesn't stop static abilities from affecting the game, and it doesn't stop triggered abilities from triggering. Unlike similar effects, it does stop mana abilities from being activated. Most activated abilities that produce mana as they resolve are mana abilities.
If you choose the first mode of Koma's activated ability, you can choose a permanent that's already tapped as the target. The effect stopping its activated abilities will still apply.
You can't sacrifice Koma itself to activate its last ability, but you can sacrifice any other Serpent you control, including Koma's Coil.
Activated abilities contain a colon and appear in the form "[Cost]: [Effect]." Some keywords such as equip are activated abilities and will have colons in their reminder texts. Loyalty abilities of planeswalkers are also activated abilities.