Yu-Gi-Oh!
Caius the Mega Monarch
Structure Deck: Lair of Darkness · 008 · Common
Current UK price · near mint
£0.46▲ 12.2%
As of 2026-05-23 · folio price index · last 7 days
About this card
Caius the Mega Monarch is a Common from Structure Deck: Lair of Darkness, 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.