SD08, called High Ranker Deck: Ultimate Double Nova Deck (ハイランカーデッキ 究極のダブルノヴァデッキ Hai Ranka Dekki Kyuukyoku no Daburu Nova Dekki), is the eighth starter deck of the trading card game. It is similar to the deck used by Mai Shinomiya in Battle Spirits Brave. It was first released in Japan on November 18, 2011. The set included spirit, brave, magic and nexus cards in the colors red and purple.
The set included a total of 42 cards with 19 different names: 5 C, 4 U, 3 R, 2 M, 3 X, and 2 EX. It also included 15 core, a manual, and a playsheet.