@JeremyECrawford are booming blade and green-flame blade compatible with extra attack? since they are spells i wouldn't think so
— Cj McWilliams (@ceej_90_) October 23, 2015
Extra Attack requires the Attack action, not the Cast a Spell action. #DnD https://t.co/8aXVvC0e53
— Jeremy Crawford (@JeremyECrawford) October 23, 2015