Magic: The Gathering · Comprehensive Rules

Stack Check

Search every rule and subrule by keyword or phrase, scan a card to pull up the rulings that apply to it, or check the Commander Brackets and Game Changers list.

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Rulebook and Brackets/Game Changers reference are bundled with this app. Card lookups pull live Oracle text and official rulings from Scryfall — Claude vision only reads a card's name off a photo. Live lookups need normal network access, so they won't work inside this chat preview; open the downloaded file as a webpage (or host/wrap it) to use them. Saved Rule 0 cards are stored privately for you and aren't visible to other users of this app.

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Stack Check is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.