奇跡の大躍進 is a Weiß Schwarz card from 「ラブライブ！サンシャイン!!」Vol.2 LSS/W53-064. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose up to 2 《音楽》 Characters from your Waiting Room, return them to Hand, choose 1 of your Character, during this turn, it gets ＋2000 Power.
This card was printed in Japanese only; the English text above is an unofficial community translation.