Yu-Gi-Oh! · 2025 Mega-Pack

Mermail King - Neptabyss

MP25-EN415Common

Mermail King - Neptabyss (2025 Mega-Pack MP25-EN415) has a market price of US$0.23 as of Nov 9, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

1st EditionUS$0.23Low US$0.01

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Link Monster
Attribute: WATER
Monster type: Sea Serpent
Archetype: Abyss-
ATK: 2,300

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.

All card details

Link rating: 3
Link arrows: Bottom-Left, Bottom, Bottom-Right

About this card

Mermail King - Neptabyss is card MP25-EN415 in 2025 Mega-Pack, a Yu-Gi-Oh! set released Sep 5, 2025. Rarity: Common. Finishes: 1st Edition. Reference market price on Nov 9, 2026: US$0.23. Over the last 30 days, the 1st Edition price went up 27.8%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.