Duelists ready to power up their Yu-Gi-Oh! TRADING CARD GAME Starter Deck in 2014 can do so with the Space-Time Showdown: Power Box! Each Space-Time Showdown: Power Box contains the 2014 Yu-Gi-Oh! Super Starter: Space-Time Showdown that introduces the TCGs newest game mechanic, Pendulum Summoning! This 40-card Deck includes two Power-Up Packs that come with 5 cards of a 15-card set, including two guaranteed Ultra Rare cards, Dark Hole and Odd-Eyes Dragon, an extra, randomized Power-up Pack and an exclusive rubberized game mat showcasing a brand new playing field with its own Pendulum Zones! After Duelists have mastered their Deck, they can completely customize it with cards from the Power-Up Packs to create their own unique Deck! Each Space-Time Showdown: Power Box contains 1 Super Starter: Space-Time Showdown with 2 Power-Up Packs, 1 extra, randomized Power-up Pack, and 1 high quality, rubber Game Mat with new Pendulum Zones.