[Counter] Choose 1 of your Characters with "Matsu" in name, and that Character gains +3500 Power for the turn.
English Flavor Text
Inspector Choromatsu: "He has only one job. To relax the tension in the air for the police who can't solve the mystery and tricks used at a murder scene!"
Osomatsu-san Booster Pack
Looking for the whole list? Click here: Osomatsu-san Booster Pack Translation > (Shift_JIS encoding. For cardsleeve inserts, click "Inserts" to the left)