Wow, no Banana Dino mentions? Guess I'll contribute.
LeafNanners
Tropius (M) @ Lum Berry
Trait: Harvest
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Dragon Dance
- Roost/Rest/Earthquake
- Natural Gift
- Bullet Seed/Leaf Blade
I've had success in using this set in lower tiers...