The Mewtwo vs Genesect Deck Kit (Japanese: 30枚デッキ対戦set ミュウツーVSゲノセクト30-Card Deck Competition Set Mewtwo VS Genesect) is a Japanese-exclusive deck kit released for the Pokémon Trading Card Game.
The Mewtwo vs Genesect Deck Kit was released alongside EX Battle Boost in Japan on July 13, 2013 at a cost of ¥1,260. The deck kit can be broken down into two half decks: one featuring Mewtwo, and the other featuring Genesect. Both Pokémon have major roles in ExtremeSpeed Genesect: Mewtwo Awakens, also released in Japan on July 13, 2013. A colored silhouette of both Pokémon appear on their respective half decks. Both half decks share the same set symbol, but have an individual numbering system. Each deck kit contains 60 cards, a play guide, damage and status counters, a Genesect coin, and a playmat depicting Mewtwo and Genesect.