特別な衣装 エミリア is a Weiß Schwarz card from 「Re:ゼロから始める異世界生活」Vol.4 RZ/S132-083. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 During your turn, if you have 3 or more other characters, this gets +4000 power. 【ACT】 BRAINSTORM [(1) Rest 2 of your characters] Flip over the top 4 cards of your deck, then send them to Waiting Room. For each CX among them, search your deck for up to 1 Red or 《Magic》 or 《Weapon》 character, show it to your opponent, add it to hand, and shuffle your deck afterwards.
This card was printed in Japanese only; the English text above is an unofficial community translation.