Card text
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.
Koma, Cosmos SerpentBorderless
Legendary Creature — Serpent
Cheapest
US$1.17
at TCGplayer · postage at checkout
Cheapest · the United States
US$1.17
In stock at · US
4 stores
9 stores in other markets
Mana cost
{3}{G}{G}{U}{U}
Power / toughness
6/6
Cheapest first by item price; postage is added at each store's checkout. How we compare prices →
Price comparison (4) · the United States
oldest listing 9h ago- 1US$1.17→
TCGplayerCheapest
lowest listingIn stockpostage at checkoutupdated 9h agoPaid link
- 2US$4.00→
Hoard
LPIn stockpostage at checkout2% under the cheapest NM hereupdated 9h ago
- 3US$4.00→
Eternal Games Chesterfield
LPIn stockpostage at checkout2% under the cheapest NM hereupdated 9h ago
- 4US$4.08→
On-Board Gaming
NMIn stockpostage at checkoutupdated 9h ago
Prices are collected from public store listings and may change. How we compare prices
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Search eBay for Koma, Cosmos Serpent (Borderless) 51
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US$4.08
What this has recently sold for on TCGplayer — a reference value, not a listing.
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Card text
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
- StandardNot legal
- PioneerLegal
- ModernLegal
- LegacyLegal
- VintageLegal
- CommanderLegal
- PauperNot legal
- BrawlLegal
- OathbreakerLegal
- HistoricLegal
- TimelessLegal
- AlchemyNot legal
Price history (USD · lowest price)
TCGplayer market shown in USD at an indicative rate
Now US$4.08Low US$4.08High US$4.08
About Koma, Cosmos Serpent
This page covers the borderless printing of Koma, Cosmos Serpent (51), a Blue and Green Legendary Creature — Serpent from Avatar: The Last Airbender: Eternal-Legal (TLE). It is printed at Mythic Rare rarity. It is legal in Pioneer, Modern, Legacy and Vintage and 5 more formats.
We track no other printing of 51 in this set, so there is no base card here to compare its price with.
The cheapest listing we track in the United States is US$1.17, 71% below TCGplayer's US$4.08 market price. 4 stores have it in stock, and the next-cheapest listing is US$4.00, 242% more than the cheapest, so the first row is worth taking.
The United States is the cheapest of the 5 markets that have it, and the United Kingdom is dearest at about 332% more once converted. In each market's own currency the cheapest listings read US$1.17 in the United States, A$6.10 in Australia, C$5.79 in Canada, S$6.00 in Singapore and £3.99 in the United Kingdom. Conversions use indicative exchange rates, and postage, duty and import tax are not included, so a cheaper market elsewhere is a fact about listings and not a reason to import.
It is trading at its 90-day high of US$4.08.
Avatar: The Last Airbender: Eternal-Legal is a reprint set, which collects earlier cards, released November 2025. Koma, Cosmos Serpent has 5 other cards in the database, listed further down the page.
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.
Frequently asked questions
- How much does Koma, Cosmos Serpent (Borderless) 51 cost?
- The cheapest live price for Koma, Cosmos Serpent (51) is currently US$1.17 across 19 stores in the United States, and TCGplayer's market price is US$4.08; every other market we cover is compared on this page too. Prices are read once a day.
- How much is Koma, Cosmos Serpent in other currencies?
- US$1.17 in the United States, A$6.10 in Australia, C$5.79 in Canada, S$6.00 in Singapore and £3.99 in the United Kingdom. Each is a real listing in the currency its seller bills in.
- What set is Koma, Cosmos Serpent from?
- Koma, Cosmos Serpent is card 51 from Avatar: The Last Airbender: Eternal-Legal (TLE) in Magic: The Gathering. It is a mythic rare Blue and Green creature.
- Where can I buy Koma, Cosmos Serpent?
- Compare every store selling Koma, Cosmos Serpent across the US, Australia, the UK, Singapore, Canada and the EU on this page, then buy from whichever seller offers the lowest total including postage. MTG Compare links straight through to each store.
Koma, Cosmos Serpent price by market
Koma, Cosmos Serpent is cheapest in the United States at US$1.17 and dearest in the United Kingdom at £3.99 (≈ US$5.05), a 332% spread across the 5 markets stocking it. Each seller bills in its own currency; converted figures are indicative only.
| Market | Cheapest | ≈ USD | Stores |
|---|---|---|---|
| United StatesCheapestYour market | US$1.17postage at checkout | 4 | |
| Australia | A$6.10postage at checkout ≈ US$4.07 | 3 | |
| Canada | C$5.79postage at checkout ≈ US$4.23 | 3 | |
| Singapore | S$6.00postage at checkout ≈ US$4.44 | 2 | |
| United Kingdom | £3.99postage at checkout ≈ US$5.05 | 1 |
Prices are live listings in each market, in the currency that seller charges. The “≈ USD” column is an indicative conversion for comparison only: not a quote, and not what you'll be billed. Stores generally ship within their own market, and international postage, duty and import tax aren't included, so a cheaper market elsewhere isn't necessarily cheaper to get delivered to you.
Do more with this price
Card details
- Card number
- 51
- Set
- Avatar: The Last Airbender: Eternal-Legal (TLE)
- Set type
- Masters & special set
- Released
- 21 November 2025
- Rarity
- Mythic Rare (M)
- Printing
- Borderless
- Type line
- Legendary Creature — Serpent
- Colour
- Blue / Green
- Colour identity
- Blue / Green
- Mana cost
- {3}{G}{G}{U}{U}
- Power / toughness
- 6/6
- Finish
- Non-foil
TCGplayer listing: The Monstrous Serpent - Koma, Cosmos Serpent
Also available on eBay
Live listings, including used and international sellers: a useful cross-check on the store prices above, and often the only source for older printings. Graded slabs get their own tab, so they never distort the raw price. eBay prices are sellers' asking prices and are never ranked with the stores.
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Affiliate link: as an eBay Partner Network affiliate, MTG Compare earns from qualifying purchases — at no extra cost to you.
Koma, Cosmos Serpent in other sets
Every other printing with this name, one per set.
More from Avatar: The Last Airbender: Eternal-Legal
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