There is a very real chance it could flip the Senate to Democrats since a lot of Republicans are up for election this time around
It could also cost Pelosi the house.
Its pretty obvious that Democrats counter to Spygate and Ukraine corruption is that Putins spooks hacked the system and planted all sort of fake evidence to frame the Bidens, Obama, Comey, Brennan et all. in collusion with President Trump. Get ready, its coming. Schiff is already laying the ground work and setting up the narrativ.e
President Trump, on the other hand, has not yet begun to play his cards and its not likely he is going to hold back at this point as its now or never time for him