Soul Calibur IV marks the introduction of the stars of the video game of the same name into the UFS universe and allows you to smash other legendary fighters and even previous versions of themselves from the Soul Calibur III sets. The next set (set 14, Quest of Souls) deepens Soul Calibur IV's integration into the UFS metagame with fan-favorite characters like Mitsurugi, Taki, Xianghua, Amy, and Yoshimitsu making their UFS debut. Set 14 introduces 99 never-before-seen cards and features new options for your combos and other tactics! Soul Calibur IV: Quest for Souls brings new challenges and opportunities to UFS for veteran players and newbies alike. The epic struggle between the holy sword Soulcalibur and its cursed counterpart. UFS (Universal Fighting System) is the premier fighting game TCG where all of your favorite console fighting game characters get to slug it out in the Arena of Champions. The UFS CCG has now ceased production.