The Dessert Instructor is a Weiß Schwarz card from 「バンドリ！ ガールズバンドパーティ！」Vol.2 BD/W63-045. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Card type
Event
Side
Weiß
Color
Green
Level
1
Cost
0
Neo-Standard
BanG Dream!
Card Text
If you do not have any characters with "Sayo(紗夜)" or "Tsugumi(つぐみ)" in its card name, this card cannot be played from your hand.
Choose 1 level 2 or higher character in your waiting room, and return it to your hand.