Pokemon 2016 XY#11 Explosive Fighter series booster pack (1st Edition). It was only available at the Pokemon Center and a few toy stores in Japan, starting in June, 2016. Each pack contains5random cards. PLEASE NOTE: There are holofoil cards in this series, but they are NOT in every pack. They are randomly inserted. The full set contains 54 cards plus 4 super rare cards and 1 ultra rare card (total of 59 cards in the set). The series has new Generation 6 characters as well as some of the older Pokemon characters. The booster pack is 1st edition which is only sold for the first few weeks of production (It has the "1st Edition" stamp on the bottom corner of the card).