This Rival Box contains two 51-card starter decks and 2 random Ultra Rares from the My Hero Academia Collectible Card Game. Izuku Midoriya and Katsuki Bakugo face off in this explosive 104-card beginners set for the My Hero Academia Collectible Card Game! Each deck is ready to play right out of the box, but they can also be expanded with cards from the My Hero Academia Collectible Card Game booster packs. These decks also include exclusive cards not found in the Series 1 booster packs!