For players looking to expand their collection or simply dive into explosive action, the Attack on Titan: Battle for Humanity Challenger Series is perfect! Each display box contains four ready-to-play decks from the Challenger Series featuring a transforming Eren Yeager and Armin Arlert. Each display includes 4 Challenger Series decks, designed with the advanced player in mind. Each deck contains 62 cards (60 cards + 2 character cards), offering players 2 different ways to play the deck. Each deck also includes a Collector Booster Pack with 5 foil cards and 1 alternate art card. The key cards in this deck are exclusive to this release and are not found in regular boosters. A few common and rare cards in this deck can also be found in the boosters.