Not a problem. I can EV them now if you want. 4th gen is okay for me. Let me know if there are any moves they must keep/learn, since they may level up several times in the process.
Just 2 questions:
Would it be a problem to use AR proteins/HP up on them? If it is, I'll just buy some, don't worry.
When do I receive Terrakion and Tornadus?