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Mermail King - Neptabyss card prices and values
There are 7 Mermail King - Neptabyss cards and versions in our Yu-Gi-Oh price list. The most valuable is Mermail King - Neptabyss (Quarter Century Secret Rare) ROTA-EN046 from Rage of the Abyss at about $12.16 ungraded, and the highest PSA 10 value is Mermail King - Neptabyss (Quarter Century Secret Rare) from Rage of the Abyss at about $99.46. Prices updated September 25, 2026.
| Card | Raw | PSA 9 | PSA 10 |
|---|---|---|---|
 Mermail King - Neptabyss (Quarter Century Secret Rare) ROTA-EN046Rage of the Abyss · 1st Edition | $12.16 | $59.44 | $99.46 |
 Mermail King - Neptabyss (ESR) 25LP-EN013Limited Pack World Championship 2025 · Limited | $1.41 | — | — |
 Mermail King - Neptabyss (Secret Rare) 25LP-EN013Limited Pack World Championship 2025 · Limited | $0.35 | — | — |
 Mermail King - Neptabyss (EUR) 25LP-EN013Limited Pack World Championship 2025 · Limited | $0.33 | — | — |
 Mermail King - Neptabyss MP25-EN4152025 Mega-Pack · 1st Edition | $0.27 | $6.00 | $31.26 |
 Mermail King - Neptabyss ROTA-EN046Rage of the Abyss · 1st Edition | $0.23 | $6.00 | $31.22 |
 Mermail King - Neptabyss 25LP-EN013Limited Pack World Championship 2025 · Limited | $0.16 | $6.00 | $31.89 |
Sorted by ungraded price. Raw prices: TCGplayer market price. Graded values: PriceCharting. A dash means we do not show a graded value for that card. This is a guide, not financial advice.
Questions
Mermail King - Neptabyss card questions
What is the most valuable Mermail King - Neptabyss card?
Mermail King - Neptabyss (Quarter Century Secret Rare) ROTA-EN046 from Rage of the Abyss (1st Edition) at about $12.16 ungraded. The highest graded value is Mermail King - Neptabyss (Quarter Century Secret Rare) from Rage of the Abyss at about $99.46 as a PSA 10.
How much is a Mermail King - Neptabyss card worth?
It depends on the exact card and version. Mermail King - Neptabyss cards in our list run from $0.16 to $12.16 ungraded. Find your card by its number in the table, then open it for the full prices.