Xyz Monsters enter Hidden Arsenal! With Hidden Arsenal 6: Omega Xyz, the popular all-foil card booster set contains Xyz Monsters for the first time!The complete set includes 5 Xyz Monsters, 4 of them never released before. Besides, Hidden Arsenal 6: Omega Xyz also brings new Ritual, Fusion and Synchro Monsters.Many themes that were introduced with previous Hidden Arsenal sets get new support with Omega Xyz, such as Vylon, Steelswarm, Laval, Gusto and Gishki. And new Gem-Knights also enter the stage to support their precious brothers in the Dueling world! Any player looking to take these themes to the next level cannot afford to miss these all new mighty additions to their existing Decks!5 foil cards per pack: 1 Secret Rare and 4 Super Rares.