"Contract Key" Protagonist is a Weiß Schwarz card from [TD] Persona 4 ver.E P4/EN-S01-T01. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have a character chosen by this card's effect, this card gets +2000 power. 【AUTO】 When this card is placed on stage, choose one of your other characters. 【AUTO】 When this card is put into your waiting room from the stage, put the character chosen by this card's effect into your waiting room.