EX Battle Boost is the tenth set released during the Japanese BW Era. It features reprints with alternate artwork from throughout the entirety of the BW Era. There will be 93 cards in the expansion, not including secret cards, and the set will be released July 13, 2013, alongside the Mewtwo VS Genesect Deck Kit.
The expansion is described as a Concept Pack, not too many details are known how it will differ from regular expansions, but so far none of the cards feature rarities. The set features Pokémon-EX and Secret cards.