Yu-Gi-Oh!
Machine King Prototype
Battle Pack 3: Monster League · 019 · Rare
Current UK price · near mint
£0.22· 0.0%
As of 2026-05-23 · folio price index · last 7 days
About this card
Machine King Prototype is a Rare from Battle Pack 3: Monster League, 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.