working on an all Kalos team for competitive battling heres what i got. any advice?

Pyroar @ Quick Claw
Ability: Moxie
EVs: 4 Atk / 252 SAtk / 252 Spd
Naive Nature
- Fire Fang
- Overheat
- Hyper Voice
- Noble Roar

Barbaracle @ White Herb
Ability: Tough Claws
EVs: 4 HP / 252 Atk / 252 Spd
Adamant Nature
- Shell Smash
- Razor Shell
- Earthquake
- Poison Jab

Trevenant @ Sitrus Berry
Ability: Harvest
EVs: 252 HP / 4 Atk / 252 SDef
Careful Nature
- Horn Leech
- Phantom Force
- Leech Seed
- Will-O-Wisp

Malamar @ Leftovers
Ability: Contrary
EVs: 252 HP / 252 Atk / 4 SDef
Adamant Nature
- Topsy-turvy
- Superpower
- Psycho Cut
- Rock Slide

Goodra @ Damp Rock
Ability: Gooey
EVs: 252 HP / 252 Atk / 4 SDef
Adamant Nature
- Aqua Tail
- Rain Dance
- Outrage
- Power Whip

Hawlucha @ Life Orb
Ability: Limber
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
- Aerial Ace
- Roost
- Encore
- High Jump Kick