High Quality Content by WIKIPEDIA articles! Released in October 2005 by Wizards of the Coast, the Xiaolin Showdown Trading Card Game is a collectible card game based on the Xiaolin Showdown animated series. It is a two player game where the object is to be the first to win four contests for Shen Gong Wu. The Shen Gong Wu are hidden mystical objects, and searching for them and using them is a central focus of the series, with conflicts over their possession resolved by a Xiaolin Showdown. The first expansion set, Wudai Warriors, was released in March 2006.