Pokemon 2017 SM#2+ Sun & Moon "Beyond A New Challenge" series strengthening expansion booster pack. It was only available at the Pokemon Center and a few toy stores in Japan, starting in April, 2017. Each pack contains5random holofoil or reverse holofoil cards (Most are reverse holofoil). This set is different from other sets. ALL CARDS IN THE BOOSTER PACKS ARE HOLOFOILS.The full set contains 49 cards plus 8 SR, 6 HR, 3 UR cards and some non-numbered energy cards (Total of 66 cards + Energy cards in the set). The series has new Generation 7 characters as well as some of the older Pokemon characters.