If you have no Characters with either "Wiz" or "Kazuma" in name, you cannot play this from your hand. You may choose 1 of your Opponent's Level 1 or lower Characters and put it in the Waiting Room. If so, your Opponent chooses up to 1 Level 0 or lower Character in his or her Waiting Room and put it in the Slot that Character was in. Put this in your Stock.
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)