Mewtwo is ready to dish out the chaos! With Hitmonchan and Onix delivering quick hits, this deck clobbers both body and mind. You’ll be right in the thick of the action! In this box you’ll find: 60 Pokémon card deck 1 card checklist 1 metallic coin 2-player playmat and rulesheet 1 code card to play this deck online 1 deck box Damage counters Many of the cards exist in multiples to provide a more enjoyable playing experience. All Mewtwo Mayhem theme decks contain the same cards. Each player must have a 60-card deck of Pokémon cards to play.