予期せぬ来訪者 ハインケル is a Weiß Schwarz card from 「Re:ゼロから始める異世界生活」Vol.4 RZ/S132-028. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this is placed on stage from hand, perform the following effect, "Search your deck for up to 1 CX, send it to Waiting Room, and shuffle your deck afterwards. If you sent 1 to Waiting Room, choose up to 1 CX in your Waiting Room, shuffle it into your deck." 【AUTO】 When this is Reversed, if the battle opponent's level is 0 or lower, you may send that character to Stock. If you do, put the bottom card of your opponent's Stock into Waiting Room.
This card was printed in Japanese only; the English text above is an unofficial community translation.