Last Updated: 2026-10-09

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411. Deck Checks

411.1. At high OPL, judges should perform deck checks during the course of the competition.
411.2. When deck checks are performed, at least 10% of all decks, chosen at random, should be checked during the course of the competition.
411.3. Random deck checks should occur at the start of a round, after players have randomized and presented their decks, but before opening hands are drawn and should verify all elements of the registered decks.
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