ニヤニヤ顔 夜重 is a Weiß Schwarz card from 甘神さんちの縁結び AMG/W121-027. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If your opponent has a Level 3 or higher character, this gets -1 Level in hand. 【AUTO】 When this is placed on stage from hand, this turn, all of your characters currently on stage get +2500 power and the following ability, "【AUTO】 When this card's battle opponent is Reversed, you may send the top card of your opponent's Clock to Waiting Room. If you do, send that character to Clock."
This card was printed in Japanese only; the English text above is an unofficial community translation.