It is based around the Viole Mai's Double Nova deck of Battle Spirits Brave fame. It contains 20 cards + 3 exchangeable cards + 1 campaign card, for a total of 47 cards. 7 Commons, 7 Rares, 2 Master Rares, 4 X-Rares , 3 reprints and 1 CP. The deck also comes with 30 blue cores, one Soul Core and a playsheet.