My Green Team

[plusle33]

This is my Green themed team. It did pretty well in Netbattle, but I think there's lots of room for improvement.

Scyther (F) @ Shell Bell
Trait: Swarm
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Aerial Ace
- Baton Pass
- Silver Wind
- Swords Dance

Gardevoir (F) @ Petaya Berry
Trait: Synchronize
EVs: 6 HP / 252 Spd / 252 SAtk
Modest Nature (+SAtk, -Atk)
- Calm Mind
- Psychic
- Thunderbolt
- Will-O-Wisp

Ursaring (F) @ Liechi Berry (Shiny)
Trait: Guts
EVs: 252 Atk / 128 Def / 128 SDef
Adamant Nature (+Atk, -SAtk)
- Brick Break
- Earthquake
- Hidden Power [Flying]
- Return

Politoed (F) @ Lum Berry
Trait: Water Absorb
EVs: 64 HP / 128 Def / 252 SAtk / 64 SDef
Modest Nature (+SAtk, -Atk)
- Ice Beam
- Psychic
- Rest
- Surf

Tyranitar (M) @ Leftovers
Trait: Sand Stream
EVs: 252 Atk / 88 Def / 168 SDef
Adamant Nature (+Atk, -SAtk)
- Earthquake
- Iron Tail
- Return
- Rock Slide

Machamp (F) @ Liechi Berry
Trait: Guts
EVs: 252 Atk / 150 Def / 108 SDef
Adamant Nature (+Atk, -SAtk)
- Cross Chop
- Earthquake
- Return
- Rock Slide

Any suggestions would be welcome.