Double or Nothing!

Can be used if you have a "Number 98: Antitopian" or a LIGHT "Utopia" or "Utopic" Xyz Monster Zone. Add 1 "Double or Nothing!" to your hand from your Deck. Then, return 1 card to the Deck from the hand. This Skill can be used once per Duel if you begin the Duel with an Extra Deck that contains no monsters other than Xyz Monsters.