Z/X: Zillions of enemy X

Z/X (pronounced as Zeks) is a one-on-one trading card game created by Broccoli and Nippon Ichi Software where the players fight against each other on 3×3 squares battlefield using different combination of offensive and defensive strategy based on 5 different worlds. In Z/X, the first player who makes their opponent lose all 4 of their lives win. —description from the publisher