オンステージ! ベアトリス is a Weiß Schwarz card from 「Re:ゼロから始める異世界生活」Vol.4 RZ/S132-065. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have 3 or less CXes in your Waiting Room, this gets -1 Level in hand. 【CONT】 If you have 3 or more other characters, this gets +2000 power. 【AUTO】 When this is placed on stage from hand, choose 1 of the following 2 effects and resolve it, a) "You may send 1 card from the bottom of your Clock to Waiting Room." b) "Perform the following effect twice, "You may choose 1 of your opponent's Level 1 or higher characters. If you do, your opponent chooses 1 Level X or lower character from their Waiting Room, and swap them. X equals the Level of the character chosen by you -1.""
This card was printed in Japanese only; the English text above is an unofficial community translation.