"Blackish Fallen Angel Something Something Dark Waves", Ako Udagawa (S-UB-C02/0044EN) (S-UB-C02)

[Act] If a [Rinko Shirokane] or [Tomoe Udagawa] is on your field, destroy a character on your opponent's field or return it to hand.. You may only use this ability once per turn.
"Something with the Dark Waves, Boom!" When your opponent casts an event, draw a card, and deal 1 damage to your opponent! "Something with the Dark Waves, Boom!" only activates once per turn.