Includes several new Elemental Heroes, used by Jaden Yuki in the television series Yu-Gi-Oh! GX, along with many cards used by his rival, Chazz Princeton, which includes new support cards for the XYZ Monsters. It also featured the Queen's, King's and Jack's Knights, long awaited cards from the original Yu-Gi-Oh! anime. A new set of cards introduced in this set are the "Dark World" monsters, which have powerful effects that activate when they are discarded from the hand, and they are the most anticipated from this set, as they can completely turn hand control decks against themselves. The Cover Card for this set is Elemental Hero Shining Flare Wingman.