Duelist ready to power up their Yu-Gi-Oh! Trading Gard game starter deck 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 TCG's newest game mechanic, pendulum summoning! This 40-Card deck includes two power-up packs that come with five cards from a 15-card set, including two Ultra rare cards, dark hole and odd-eyes Dragon, an extra, randomized power-up pack and an exclusive rubberized game mat showcasing the 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!