Mermail King - Neptabyss
Market price · TCGPlayer
Updated Sep 14, 2026
$0.17 – $12.25
7 printings priced
Type
Sea Serpent
ATK
2400
2+ monsters, including a Fish, Sea Serpent, or Aqua monster<br>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.
Appears in 3 expansions
Printings (7)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Rage of the Abyss | ROTA-EN046 | Ultra Rare | $0.25 | |
| Rage of the Abyss | ROTA-EN046 | Quarter Century Secret Rare | $12.25 | |
| Limited Pack World Championship 2025 | 25LP-EN013 | Ultra Rare | $0.17 | |
| Limited Pack World Championship 2025 | 25LP-EN013 | Secret Rare | $0.34 | |
| Limited Pack World Championship 2025 | 25LP-EN013 | Emblazoned Secret Rare | $1.40 | |
| Limited Pack World Championship 2025 | 25LP-EN013 | Emblazoned Ultra Rare | $0.33 | |
| 2025 Mega-Pack | MP25-EN415 | Common | $0.26 |
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