Yu-Gi-Oh!
Knightmare Mermaid
2019 Gold Sarcophagus Tin Mega Pack · 025sec · Secret Rare
Current UK price · near mint
£0.64▲ 20.8%
As of 2026-05-23 · folio price index · last 7 days
About this card
Knightmare Mermaid is a Secret Rare from 2019 Gold Sarcophagus Tin Mega Pack, 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.