魔物の誕生 is a Weiß Schwarz card from Rewrite RW/W15-066. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 Character with Level 1 or below from your Waiting Room, place it into any slot on Stage. At the beginning of your Encore Step, if that Character is on Stage, place that Character into Waiting Room. Place this card into Clock.
This card was printed in Japanese only; the English text above is an unofficial community translation.