This 40‐card (1 Ultra Rare, 2 Super Rare) Machina Mayhem Structure Deck includes 11 brand‐new cards, and gives Duelists the tools they need to Summon awesome engines of destruction – designed to pulverize the opponent’s monsters. Structure Decks are perfect for Duelists who know the basic rules, but are looking for a launching point to build a competitive Deck for tournament use. This Structure Deck has everything a Duelist needs, including Deck, full rulebook, deluxe Game Mat, and Dueling Guide with tips on how to power up the Deck even more.