Yu-Gi-Oh!
Mermail King - Neptabyss
Rage of the Abyss · 046qsec · Quarter Century Secret Rare
Current UK price · near mint
£8.45▼ 0.7%
As of 2026-05-24 · folio price index · last 7 days
About this card
Mermail King - Neptabyss is a Quarter Century Secret Rare from Rage of the Abyss, part of the Yu-Gi-Oh! trading card game. Track its price, watch its history, and manage your full TCG collection — across 13 games and counting — with folio. Built by collectors, for collectors.