The Grand Archive TCG Demo Deck 2023 set comes with two decks that can be used to teach the game. These decks come with 27 cards each and are composed of a 7-card material deck and a 20-card main deck. The decks revolve around either the fire element or the wind element to help show off the mechanics involved in a game of Grand Archive TCG.
Weebs of the Shore, LLC. recently released Grand Archive: Fractured Crown, a new booster set (see "'Grand Archive: Fractured Crown' Incoming").