If you are Level 2 or lower and your Opponent is Level 1 or lower, you may discard 3 cards from your hand to the Waiting Room. If so, put this in your Level Zone, and you gain an additional turn.
KonoSuba Booster Pack
Looking for the whole list? Click here: KonoSuba Booster Pack Translation > (Shift_JIS encoding. For cardsleeve inserts, click "Inserts" to the left)