703.3. Decklist Error [Game Loss]: A player submits a decklist for registration that contains illegal elements.
703.3.a. Examples:
703.3.a.1. More or fewer cards than appropriate deck size. See 402 for more information about deck size.
703.3.a.2. Cards not legal in the format of the tournament.
703.3.a.3. More than 3 copies of a main deck card between main deck and sideboard.
703.3.a.4. Cards that do not match the domain of the registered legend.
703.3.a.5. A chosen champion that does not match the identity of the legend.
703.3.b. Remedies:
703.3.b.1. The player must correct their decklist to a legal state making as little change as possible and ensure that their deck matches the newly registered deck.
703.3.b.2. If the cards required to correct the decklist cannot be acquired in a timely manner, the head judge can issue a proxy.