My first line of offense

So this is my first time doing one of these. This is my main team and has got me through a few battles. But I feel that there is something more I can do for my little soldiers. So here is my main OU team.

Forretress @ Leftovers
Trait: Sturdy
EVs: 252 HP / 4 Def / 252 SDef
Careful Nature
- Gyro Ball
- Spikes
- Toxic Spikes
- Rapid Spin

Gliscor @ Toxic Orb
Trait: Poison Heal
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
- Swords Dance
- Baton Pass
- Stone Edge
- Earthquake

Metagross @ Air Balloon
Trait: Clear Body
EVs: 252 Atk / 252 Spd
Adamant Nature
- Agility
- Meteor Mash
- Zen Headbutt
- Earthquake

Salamence @ Leftovers
Trait: Moxie
EVs: 4 HP / 252 Atk / 252 Spd
Adamant Nature
- Dragon Dance
- Outrage
- Earthquake
- Stone Edge

Volcarona @ Leftovers
Trait: Flame Body
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature
- Fiery Dance
- Quiver Dance
- Bug Buzz
- Hidden Power [Fighting]

Thundurus-Therian @ Life Orb
Trait: Volt Absorb
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature
- Nasty Plot
- Thunderbolt
- Flash Cannon
- Grass Knot

All help is greatly appreciated.

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