Whew, this took a lot more than I expected! But I'm proud to introduce you my competitive Sandstorm Team.
Obviously, this team is entirely based on sandstorm (wow such imagination much idea ) and, even though it's pretty strong in another climate conditions, it gives its best during sandstorms!

Here we have:

Drogon the Tyranitar (Female) - Loves starting sandstorms.
Valkyrie the Mandibuzz (Female) - Proud and haughty.
Loo the Excadrill (Male) - Combative, but with a great sense of humor!
Medved the Stoutland (Male) - Playful dude. His name is the Serbian word for "Bear".
Coso the Reuniclus (Male) - Creepy but kind-hearted. His name is "Thing" in Italian.
Storm the Gastrodon (Female) - The granny of the group. She shields her partners from water moves.


Also, GEEZ, who knew Excadrill was so small!!!

...