深窓のおひい様 有希 is a Weiß Schwarz card from 角川スニーカー文庫 Vol.2 Srd/W123-002. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 During your turn, if you have another 《Sneaker Bunko》 or 《Student Council》 character, this gets +3000 power. 【AUTO】 {CX Combo} [Discard 1 card] When this attacks, if you have the Choice CX (024) in your CX Area, and you have 3 or more other characters, you may pay cost. If you do, perform the following 2 effects once each in any order, a) "Look at up to 3 cards from the top of your deck, choose up to 1 《Sneaker Bunko》 or 《Student Council》 character from among them, show it to your opponent, add it to hand, send the rest to Waiting Room" b) "Choose 1 《Sneaker Bunko》 or 《Student Council》 character in your Waiting Room, add it to hand."
This card was printed in Japanese only; the English text above is an unofficial community translation.