私の義妹 is a Weiß Schwarz card from Fate/kaleid liner プリズマ☆イリヤ ツヴァイ ヘルツ！ PI/S40-042. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Look at up to 4 cards from the top of your Deck, choose up to 1 《宝石》 Character and show it to your opponent, add it to Hand, place the remaining cards into Waiting Room.
This card was printed in Japanese only; the English text above is an unofficial community translation.