ふたりのシフォンケーキ is a Weiß Schwarz card from アニメ「リトルバスターズ～Refrain～」 LB/WE18-39. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 Character with 「葉留佳」 or 「佳奈多」 in its name, you may place it into Clock. If you did, choose 1 Character with 「葉留佳」 or 「佳奈多」 in its name from your Waiting Room with Level equal to or lower than your Level, place it into any slot on Stage, until the end of your opponent's next turn, that Character gets +2000 Power.
This card was printed in Japanese only; the English text above is an unofficial community translation.