Your curve is really high with no ramp or acceleration. In modern with little to no interaction on turns 1-3, you're asking to lose. I would be maindecking at least 3
Fatal Push in place of
Go for the Throat. You also need some sort of mana dorks, either
Birds of Paradise or Noble Hierach, that or lower your curve substantially. Having 6 an 7 drops are fine and fun, but you need a way to get them out sooner than turns 6 or 7.