Z/X (ゼクス Zekusu) is one of the card types in Z/X - Zillions of enemy X- TCG. They are the representation Z/X, the titular creatures of the game. Z/X cards comes in various color, cost, tribe, and Power. In addition, they may or may not possessed an icon or ability. They are mainly used to attack the opposing Player or Z/X, and to defend the Player from attacks. Generally, Z/X cards are played into Square as Reboot, and will remain in there as long as they are not destroyed (either by damage or card effect) or moved into different location by a card effect.