You should build a colletion of Fang Pi Clang/Ulu Watu deck. lots of cards from Fang Pi Clang and Ulu Watu are pretty stong. most likely Macumba,Xia Leming,Windy Mor,Tatane,Razor, and, if you can afford it, tanaereva and 3 other cards that are reasonably strong.
Depends what your strategy is-- strong attack deck or strong defense deck. this is attack