Pokémon TCG Battle Styles Build and Battle KitThe Battle Styles Build & Battle Box is a special product given to participants at the start of Prerelease Tournaments for the Battle Styles expansion. Each box contains a random set of predetermined cards designed to enhance the experience of the Limited format events in which they were initially distributed. Included in each Build & Battle Box is a 23 card Evolution pack that includes one of four specially stamped Prerelease cards for the expansion,