GameStop's In Store Release Schedule is STACKED! From new collection boxes and tins, to the upcoming Mega Evolution set the next few months are loaded with heat GameStop will Pokemon Trading Card Game: Ascended Heroes Mega ex Box Mega Meganium, Emboar, or Feraligatr (Styles May Vary) Pokmon Mega Evolution Booster Boxes from GameStop These are the best to hold, stores never restock them. One and done drop. BIG NEWS GameStop is set to increase prices on the upcoming Phantasmal Flames releases. Booster boxes will increase (+$40) from $199.99 to $239.99 and Elite Trainer Boxes increase from $59.99 (+$10) GameStop is turning up the heat this summer with back to back Pokmon drops. From now through August, expect major drops almost every week, featuring new Prismatic drops, the Mega Evolution collection, and the Pokmon Mega Evolution Booster Boxes from GameStop These are the best to hold, stores never restock them. One and done drop.