BMJ Card Store is an online retailer for trading card games, collectibles, board games, and gaming accessories. Its catalogue includes singles and sealed products for Magic: The Gathering, Pokémon, Disney Lorcana, Yu-Gi-Oh!, One Piece, Riftbound, and Digimon, alongside items such as booster packs, boxes, bundles, starter decks, and event kits. Customers can also shop for board games, collectible products, sleeves, deck boxes, binders, playmats, card holders, dice, and storage bags and cases.

The store offers custom products, allowing customers to upload their artwork for playmats, deck boxes, sleeves, and mugs. It also buys card collections, offering cash or store credit with a 30% bonus, as well as a free appraisal. BMJ Card Store promotes tournaments, leagues, and event tickets, bringing shopping and play together for trading card enthusiasts. Orders are shipped worldwide with tracking and protective packing, and the store highlights authentic products and support from people familiar with gaming.