[RATE MY TEAM] Please give me suggestions on my team

[mercibeaucoup]

Sylveon @ Leftovers
Ability: Pixilate
EVs: 252 HP / 220 Def / 36 SpD
Bold Nature
- Moonblast
- Wish
- Protect
- Heal Bell

Rotom-Wash @ Chesto Berry
Ability: Levitate
EVs: 248 HP / 216 SpD / 44 Spe
Calm Nature
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Pain Split

Garchomp @ Focus Sash
Ability: Rough Skin
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Dragon Claw
- Earthquake
- Rock Slide
- Protect

Talonflame @ Leftovers
Ability: Gale Wings
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Brave Bird
- Flare Blitz
- U-turn
- Roost

Greninja @ Focus Sash
Ability: Protean
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Grass Knot
- Ice Beam
- Dark Pulse
- Scald

Scizor @ Scizorite
Ability: Light Metal
EVs: 248 HP / 236 Def / 24 Spe
Impish Nature
- Swords Dance
- U-turn
- Roost
- Bullet Punch