“それは夏のせい”蒼 is a Weiß Schwarz card from Summer Pockets REFLECTION BLUE Re:Edit SMP/W130-106. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card is placed on the stage from your hand, draw up to 2 cards, choose 1 card in your hand, and put it into your waiting room. 【AUTO】 [Put 2 cards from your hand into your waiting room] When this card attacks, you may pay the cost. If you do, put the bottom 4 cards of your opponent's deck into their waiting room, and deal X damage to your opponent. X is equal to the number of climax among those cards. (Damage may be canceled)