Before I go on, issues similar to these belong
here.
Secondly, it all depends on what type of team you're aiming for, during your in-game journey to beat the Elite Four.
However, if you're aiming to use this very same starter in either WiFi or Pokemon Competitor, then, again, it depends on what type of team you are looking for.
So, there, before one thinks about making such vague threads, consider that you'll receive a vague answer.