W is a Union Arena card from ARKNIGHTS Vol.2 EX11BT/ARK-2-003. Compare listings from Singapore Union Arena sellers on CardJio, then jio them on WhatsApp.
[Activate: Main] [If on the Front Line] [Once Per Turn] Choose one character with 4 or less required energy on your energy line and swap it with this character.
【启动主要】[前线中存在的场合][每回合1次]选择我方能量线中的1张所需能量不高于4的角色，与此角色交换位置。