Decks Hello Duelists, Rulings Strategy Use this category to talk about your favorite decks, their combos, and how the meta is changing. Marketplace Buy, Sell, or Trade digital or physical products here that you may or may not have. Alternate Formats This category is to discuss about any format that isn’t TCG or OCG. Use the appropriate tag when making your topic for the alternate format of interest. Custom Cards Post your custom cards here. Please post an image of your card. You can use several free card maker programs. Some we recommend include: General Use this category to post any topic that doesn’t fit with any of the other subcategories of Yu-Gi-Oh.