ムクムク本 is a Weiß Schwarz card from 探偵オペラ ミルキィホームズ２ MK2/S19-047. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Put all cards in your opponent's stock into your opponent's waiting room, and your opponent puts the same number of cards from the top of your opponent's deck into his or her stock.