About

About Master Cards Warehouse

Welcome to Master Cards Warehouse, a trading card store based in Shiga Prefecture, Japan. We focus on authentic Pokemon, One Piece, and sealed TCG products for collectors, players, and shops.

Our goal is simple: make it easier to find important English and Japanese releases, booster boxes, ETBs, cases, premium boxes, and collector-focused products with clear listings and direct support.

What We Carry

• Pokemon TCG products - English and Japanese booster boxes, ETBs, premium boxes, and collector releases.
• One Piece Card Game products - English and Japanese booster boxes, cases, EB releases, and PRB releases.
• Japanese market products - selected sealed products, regional releases, promo products, and high-demand sets.
• Collector-ready listings - products presented with clear names, pricing, visibility, and images as they become available.

Why Customers Choose Us

• Authenticity focus - We prioritize genuine sealed products and accurate product information.
• Japan-based support - We operate from Shiga Prefecture, Japan, with direct phone support at +81 90-8851-4157.
• Collector-first catalog - Our storefront highlights important Pokemon and One Piece releases across English and Japanese markets.
• Simple browsing - Products can be searched by name, set, category, or price.

Thank you for choosing Master Cards Warehouse as your source for trading card products from Japan.