Counterstrike, Epsilon is a Weiß Schwarz card from Booster Pack The Eminence in Shadow EIS/SX07-086. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have 4 or more 《Eminence in Shadow》 characters, this card gets -1 level while in your hand. 【AUTO】 When this card is placed on the stage from your hand, if you have 2 or more other 《Eminence in Shadow》 characters, you may choose 1 character in your clock, and put it face up underneath this card as a marker. 【AUTO】 [(2) Put 1 card from your hand into your waiting room] When this card is frontal attacked, you may pay the cost. If you do, this card gets the following ability until end of turn. "【CONT】 The character facing this card gets -2 soul."