Shadows loom large over Duel Academy in the new Speed Duel GX: Duelists of Shadows The Shadow Riders have descended upon Speed Duel and joined forces with other villainous characters from the Yu-Gi-Oh GX animated series to cause mayhem and unleash the mighty Sacred Beasts. This box set is designed to allow up to 8 players to jump into their own dynamic gameplay experience with 8 pre-constructed Decks along with a selection of other cards that can be used to customize them.