頼れる姉御な担任 暦 is a Weiß Schwarz card from D.C. Re:tune ~ダ・カーポ~ リチューン DC/W128-070. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card attacks, if the character facing this card is level 3 or higher, this card gets +6000 power and +2 soul until end of turn.