Insert compatible with Legendary: A Marvel Deck Building Game®, with space for over 1,450 sleeved cards or over 2,000 unsleeved cards. The design provides both efficient storage and improved game play giving quick access to your card decks. The rules and board act as a lid on top of the trays.

When clearing the game away and packing the box, the game rules go on top of the trays followed by the board. These act as a lid filling the box to the top and allowing for vertical storage.