オトナの本気 is a Weiß Schwarz card from D_CIDE TRAUMEREI DCT/S86-072. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Perform the following two effects in the order of your choice: -Choose up to three cards in your opponent’s Waiting Room, return them to Deck, shuffle your opponent’s Deck afterwards. -Deal three damage to your opponent (Damage can be canceled)
This card was printed in Japanese only; the English text above is an unofficial community translation.