A Flashing Smile (ABC-WB-006 N) [Arcana Battle Colosseum]

[Quickcast] Draw a card. This card deals 300 damage multiplied by the number of cards in your hand to each J/resonator your opponent controls. [Force Resonance] "Genesis" (This card gains the following text in all zones as long as you control [Force Command] "Genesis".) You may pay W less to play this card if you pay its cost with will produced by a regalia you control.