Well, my team is really bad. It loses 3 times more often than it wins, but I'm a complete beginner and I don't understand why. Personally, I think it's a great team...
(Swampert) (M) @ Leftovers
Trait: Torrent
EVs: 252 HP / 4 Atk / 252 Spd
Brave Nature (+Atk, -Spd)
- Stealth Rock
-...