Card Rulings talk:Reptilianne Vaskii

if there is one face down card on my oppnent's side of the field, and I have 2 monsters, reptilianne vaskii and reptilianne gorgon, and i attack first with gorgon, and the monster def is 2000, after damage calculation, i can use vaskii's effect, detroy the monster, and then attack directrly with vaskii?