Individual Cards · Avatar: The Last Airbender

The Monstrous Serpent - Koma, Cosmos Serpent (Borderless) Avatar: The Last Airbender #51

Mythic51
SetAvatar: The Last Airbender
Number51
RarityMythic
LanguageEnglish
GradedNo
Card ConditionNear Mint or Better
FeaturesBorderless
GameMagic: The Gathering

Borderless The Monstrous Serpent (Koma, Cosmos Serpent) from the MTG Avatar: The Last Airbender Secret Lair drop. This near-mint card features stunning borderless art and is a sought-after legendary creature for Commander and Eternal formats.✦ AI summary

The Monstrous SerpentKoma, Cosmos SerpentBorderlessMTG Avatar: The Last AirbenderLegendary Creature
Best price $3.00 — View on eBay ↗

How much is The Monstrous Serpent - Koma, Cosmos Serpent (Borderless) Avatar: The Last Airbender #51 worth?

As of Jul 3, 2026, the market median price of The Monstrous Serpent - Koma, Cosmos Serpent (Borderless) Avatar: The Last Airbender #51 is $6.20 on eBay, with 23 active listings. Across 3 price snapshots tracked by TCGKami, the average is $6.28, ranging from a low of $6.20 (Jul 3, 2026) to a high of $6.41 (Jun 16, 2026), a -3.4% change over the tracking period.

Market median$6.20
Average (tracked)$6.28
Low$6.20Jul 3, 2026
High$6.41Jun 16, 2026
Trend-3.4%
Snapshots3
Active listings23

Live listings right now range from $3.00 to $10.43 (median $5.39, 23 priced listings).

Data updated Jul 3, 2026 · source: live eBay listings, aggregated by TCGKami

Live Listings

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fabricatorsforge99.8%(24,014)✓ Trusted📦 Jul 25–31
Card price
$3.65
+ $1.49 ship
= $5.14 total
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goosesbazaar99.9%(718)✓ Trusted📦 Jul 27–Aug 1
Card price
$9.75
+ FREE ship
= $9.75 total
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sigmawestgames100.0%(2,505)✓ Trusted📦 Jul 27–Aug 3
Card price
$4.95
+ FREE ship
= $4.95 total
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longwinggaming99.8%(841)✓ Trusted📦 Jul 27–Aug 3
Card price
$4.49
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= $4.49 total
Listed 3d ago
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greatgamesnw99.9%(22,699)✓ Trusted★ Top Rated📦 Jul 24–28
Card price
$4.10
+ $1.29 ship
= $5.39 total
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douga_fett100.0%(2,946)✓ Trusted📦 Jul 25–29
Card price
$3.99
+ $1.36 ship
= $5.35 total
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go_infinite_gaming99.8%(601)✓ Trusted📦 Jul 25–31
Card price
$3.99
+ $0.99 ship
= $4.98 total
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chieflongsword100.0%(6,900)✓ Trusted★ Top Rated📦 Jul 24–28
Card price
$4.50
+ $0.99 ship
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jbsgamestore100.0%(425)✓ Trusted📦 Jul 25–30
Card price
$5.49
+ FREE ship
= $5.49 total
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mnqualityrares100.0%(4,564)✓ Trusted★ Top Rated📦 Jul 25–29
Card price
$5.14
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= $5.14 total
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sokollcardsnstoreys100.0%(30)
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$5.00
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tcg-mistydawn100.0%(135)✓ Trusted📦 Jul 25–30
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rudog_46100.0%(17)
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$5.00
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= $5.00 total
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hudsonparkcollects99.9%(1,072)✓ Trusted📦 Jul 25–29
Card price
$8.99
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= $8.99 total
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dofudengames99.9%(11,786)✓ Trusted📦 Jul 27–Aug 1
Card price
$10.43
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collectiblecacheco100.0%(3,496)✓ Trusted
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$6.00
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etceteragames100.0%(367)✓ Trusted📦 Jul 27–30
Card price
$3.60
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= $7.59 total
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wesellcardsandstuff99.2%(14,802)✓ Trusted📦 Jul 27–Aug 1
Card price
$9.98
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blacklotustradingco99.6%(255)✓ Trusted📦 Jul 27–Aug 3
Card price
$4.99
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= $6.35 total
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jayseebs99.6%(284)✓ Trusted
Card price
$9.00
+ ship ?
= $9.00 total
★ Best Deal
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annas-garage100.0%(293)✓ Trusted
Card price
$3.00
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= $3.00 total
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cardmeep98.8%(639)
Card price
$6.00
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= $6.00 total
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uzamiha100.0%(177)✓ Trusted
Card price
$4.41
+ ship ?
= $4.41 total
All 23 listings shown

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