Take a big step towards becoming a master dueler with this all-encompassing Yu-Gi-Oh Promo Mystery Box. Each mystery box of authentic Yu-Gi-Oh merchandise contains hundreds of cards ranging from common to rare. Player tokens, card collecting sleeves, a card tin, and more are also included in this grab-bag of cards and tokens. While there are some guaranteed rare cards in the packages, every box is a grab bag of different cards of different power levels.