Groudon too powerful?

[captainfez3]

I am building a monotype team for ground and as I play on OR, I was thinking about throwing in Groudon as my one legendary. Normally I don't use legendaries because they get locked out of competitive game modes and they just feel cheap. I am especially conflicted about Groudon because his Primal Reversion ability seems to be waaaaay too OP, especially for a Pokemon that has 770 for his stat total.

I also am having this debate with myself because I wanted to run a pseudo-gym with my secret base and I feel like it would be poor form for a gym leader to throw in a legendary. Plus, I am somewhat roleplaying in my OR game that I followed in my father's footsteps but ended up being the champ instead of another gym leader. Anyone have any advice? Just for reference, my team is going to be:
-Swampert
-Torterra
-Flygon
-Claydol
-Sandslash or Donphan

If I don't pick up Groudon I will probably just use Sandslash AND Donphan

 

[bobandbill]

Moved to the in-game team help section as it's more relevant.

I would also agree that using a legendary like Groudon would be too cheap. Try putting up the movesets and items for the Pokemon so people can suggest changes for those too!