I want to if it'll jack up the game or not
No, it wont jack your game up when you get the National dex buizel will be there
Yes you can, But you can't get the data from them in the pokedex (I think)
Hope this helped
Yes, you can. But Buizels data won´t be there. I have done it with my frend in yesterday.
My Altaria for his Rufflet.