> For the complete documentation index, see [llms.txt](https://trg.gatcg.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trg.gatcg.com/tournament-mechanics/decklists.md).

# Decklists

Some tournaments may require the submission of their decklists to the TO. If so the starting assortment of cards in the main, material, and sideboard decks may not be altered before the start of game 1 in a match. Deck checks can be performed by judges throughout a tournament or if reasonably requested by a player and ought to be performed before any cards are drawn from the deck for a game.