Mermail King - Neptabyss
Link Effect Monster
Mermail King - Neptabyss is a Link Effect Monster (WATER/Sea Serpent, Link 3) with 2300 ATK / - DEF. First printed in Rage of the Abyss (2024).
- Type
- Link Monster
- Attribute
- WATER
- Monster type
- Sea Serpent
- Link rating
- 3
- ATK / DEF
- 2300 / -
- Archetype
- Abyss-
- Banlist
- Unlimited in the TCG, OCG, and Master Duel
- TCG release
- Jul 27, 2024
- Printings
- 5
Card text
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.
YGOPRODeck card-level price
≈$0.16 lowest USD figure across marketplaces, for no one printing
YGOPRODeck recorded a lowest available USD card-level price hint of ~$0.16 on Oct 26, 2026 (historical, not a printing-specific quote). It varies with printing, condition, edition, rarity, and grading. Check current listings before buying or selling.
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Printings & rarities
| Set | Set code | Rarity | Release | Price* | Buy |
|---|---|---|---|---|---|
| Rage of the AbyssROTA-EN046 · Quarter Century Secret Rare · Oct 10, 2024 | ROTA-EN046 | Quarter Century Secret Rare | Oct 10, 2024 | ~$11.441st Edition | Buy on TCGplayerSearch eBay |
| Rage of the AbyssROTA-EN046 · Ultra Rare · Oct 10, 2024 | ROTA-EN046 | Ultra Rare | Oct 10, 2024 | ~$0.301st Edition | Buy on TCGplayerSearch eBay |
| Limited Pack World Championship 202525LP-EN013 · Secret Rare · Aug 30, 2025 | 25LP-EN013 | Secret Rare | Aug 30, 2025 | ~$0.32Limited | Buy on TCGplayerSearch eBay |
| Limited Pack World Championship 202525LP-EN013 · Ultra Rare · Aug 30, 2025 | 25LP-EN013 | Ultra Rare | Aug 30, 2025 | ~$0.20Limited | Buy on TCGplayerSearch eBay |
| 2025 Mega-Pack TinMP25-EN415 · Common · Sep 4, 2025 | MP25-EN415 | Common | Sep 4, 2025 | ~$0.171st Edition | Buy on TCGplayerSearch eBay |
*Approximate price hints, not appraisals. A price with a finish (1st Edition, Unlimited, Limited) is TCGplayer's for that set code, rarity and finish, via TCGCSV, updated Oct 26, 2026. A price marked YGOPRODeck is YGOPRODeck's figure for that printing. A dash means that printing has no price yet. Buy links are affiliate links.
Price hint history
Dated YGOPRODeck snapshots. These hints are not sales or market values.
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Mermail King - Neptabyss in other languages
| Japanese | 皇たる水精鱗－ネプトアビス |
| Korean | 황위 머메일－넵트어비스 |
| Chinese | 皇之水精鳞－尼普邃渊 |
| German | Nixenrüstungskönig - Neptabyss |
| French | Roi des Sirènemures - Neptabysses |
| Italian | Re Sirenide - Neptabyss |
| Spanish | Rey Sirenarmado - Neptabismo |
| Portuguese | Rei Sirena - Neptabismo |
