裏方さんありがとう うらら is a Weiß Schwarz card from ゆらぎ荘の幽奈さん YYS/W61-093. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All your other Blue Characters gets +500 Power. 【ACT】 [Place 1 「いわゆるマシュマロ 狭霧」 from Hand into Waiting Room] Choose 1 Character with 「狭霧」 in its name that is not 「いわゆるマシュマロ 狭霧」 from your Waiting Room, return it to Hand.
This card was printed in Japanese only; the English text above is an unofficial community translation.