Mermail King - Neptabyss
TCGUnlimitedMaster Duel rarity: RareOCGUnlimited
linkSea SerpentWATER
Link 3
ATK2300
Archetypes
Materials
2+ monsters, including a Fish, Sea Serpent, or Aqua monster
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.
Card Profile
Role
Deck role
Archetype-SpecificEngine Piece
Works in
Control
Mechanics
Effects
EquipsProtects by TypeSearches ArchetypeSpecial Summons by Type
GY
Requires GY Setup
Summon
Link
Properties
Once Per Turn
Works Well With
Printings
17 printings · 9 regionsEnglish
| Card number | Set | Rarities |
|---|---|---|
| 25LP-EN013 | Limited Pack World Championship 2025 | Ultra RareSecret Rare |
| MP25-EN415 | 2025 Mega-Pack Tin | Common |
| ROTA-EN046 | Rage of the Abyss | Ultra RareQuarter Century Secret Rare |







