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Mermail King - Neptabyss (Secret Rare) YU-GI-OH
Mermail King - Neptabyss (Secret Rare) #25LP-EN013 (Limited Pack World Championship 2025) is worth about $0.36 today, the TCGplayer market price for any condition as of 2026-11-02, up 3% over 30 days; PSA 10 copies sell for about $33.74 (PriceCharting sold listings).
This card has 4 printings (TCGplayer market, 2026-11-02): Secret Rare $0.36 (this page), ESR Emblazoned Secret Rare $1.43, EUR Emblazoned Ultra Rare $0.33, Ultra Rare $0.22.
Graded prices
sold listings,A PSA 10 sells for 67x the ungraded price.
| Grade | Sells for | vs ungraded |
|---|---|---|
| Ungraded | $0.50 | |
| Grade 7 | $0.89 | 1.8x |
| Grade 8 | $6.34 | 13x |
| Grade 9 | $7.00 | 14x |
| Grade 9.5 | $8.00 | 16x |
| PSA 10 | $33.74 | 67x |
| BGS 10 | $44.00 | 88x |
| CGC 10 | $14.00 | 28x |
| SGC 10 | $20.00 | 40x |
Prices from PriceCharting ↗ · Ungraded is a typical raw sale in any condition; grades 7 to 9.5 are any grading company.
price trend and the high since we began tracking: more ↓less ↑
Mermail King - Neptabyss (Secret Rare) #25LP-EN013 is holding steady: $0.36 today, flat over 30 days and 16% below its high of $0.43 (2026-10-17), the highest since we began tracking (2026-09-16), and near its low of $0.32 (2026-10-24). TCGplayer market price as of 2026-11-02, tracked daily since 2026-09-16. chart →
Price data for your app or store: free API key · daily history since 2024 · CSV download
WORTH GRADING?
Grading Mermail King - Neptabyss #25LP-EN013 does not pay even for a 10: PSA 10 copies sell for about $33.74 and grade 8 copies for $6.34 (PriceCharting sold listings, Nov 2, 2026) vs $0.36 raw (TCGplayer market), and after a $25 grading fee, $10 shipping and 13% selling fees a 10 nets nothing, less than the $0.31 a raw sale nets. run your own numbers →
WHERE TO BUY AND SELL
Limited · no eBay scan yetshow the work →
| TCGplayer market | $0.36 | verify ↗ |
| TCGplayer lowest ask | $0.01 |
GAME DATA[ + ] SHOW[ × ] HIDE
- ATTACK
- 2400
- ATTRIBUTE
- WATER
- CARD TYPE
- Link/Effect Monster
- LINKARROWS
- Bottom-Left;Bottom;Bottom-Right
- LINKRATING
- 3
- DESCRIPTION
- 2+ monsters, including a Fish, Sea Serpent, or Aqua monster Your opponent cannot target WATER monsters this card points to with card effects. You can only use each of the following effects of "Mermail King - Neptabyss" once per turn. If a WATER monster(s) is sent to the GY to activate a card or effect (except during the Damage Step): You can take 1 "Abyss-" Equip Spell from your Deck or GY and either add it to your hand or equip it to this card. If this card in its owner's possession is destroyed by an opponent's card: You can add 1 "Atlantean" or "Mermail" monster from your Deck to your hand.
- MONSTERTYPE
- Sea Serpent
MORE FROM LIMITED PACK WORLD CHAMPIONSHIP 2025
FULL SET →
PRICE FAQ
What is Mermail King - Neptabyss (Secret Rare) (Limited Pack World Championship 2025) worth today?
+×
Mermail King - Neptabyss (Secret Rare) [Limited] has a TCGplayer market price of $0.36 as of 2026-11-02.
Is Mermail King - Neptabyss (Secret Rare) going up or down in price?
+×
Mermail King - Neptabyss (Secret Rare) #25LP-EN013 is holding steady: $0.36 today, flat over 30 days and 16% below its high of $0.43 (2026-10-17), the highest since we began tracking (2026-09-16), and near its low of $0.32 (2026-10-24). TCGplayer market price as of 2026-11-02, tracked daily since 2026-09-16. Other windows: up 12.5% over 7 days.
What is the highest price for Mermail King - Neptabyss (Secret Rare) since TickerMint began tracking?
+×
TickerMint began tracking Yu-Gi-Oh prices on 2026-09-16, after Mermail King - Neptabyss (Secret Rare) came out, so these are the highest and lowest prices since we began tracking (2026-09-16), not all-time records. In TickerMint's daily data (since September 2026), the TCGplayer market price for Mermail King - Neptabyss (Secret Rare) [Limited] (all conditions) peaked at $0.43 (2026-10-17) and bottomed at $0.32 (2026-10-24).
How much is a PSA 10 Mermail King - Neptabyss #25LP-EN013 worth?
+×
A PSA 10 Mermail King - Neptabyss #25LP-EN013 sells for about $33.74, based on PriceCharting's sold listings as of Nov 2, 2026. Other 10s: BGS 10 $44.00, CGC 10 $14.00, SGC 10 $20.00. A grade 9 (any grader) sells for about $7.00. An ungraded copy sells for about $0.50, so a PSA 10 sells for 67x the ungraded price. Prices from PriceCharting (pricecharting.com).
Is Mermail King - Neptabyss #25LP-EN013 worth grading?
+×
Grading Mermail King - Neptabyss #25LP-EN013 does not pay even for a 10: PSA 10 copies sell for about $33.74 and grade 8 copies for $6.34 (PriceCharting sold listings, Nov 2, 2026) vs $0.36 raw (TCGplayer market), and after a $25 grading fee, $10 shipping and 13% selling fees a 10 nets nothing, less than the $0.31 a raw sale nets. That assumes a copy that misses the 10 sells as a grade 8. Whether your copy grades a 10 depends on its centering, corners, edges and surface. Prices from PriceCharting (pricecharting.com).
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