Any ideas what to change for singles?

Alakazam @ Alakazite
Ability: Inner Focus
EVs: 252 SAtk / 252 Spd / 4 HP
Timid Nature
- Energy Ball
- Focus Blast
- Psychic
- Dazzling Gleam

Gliscor @ Toxic Orb
Ability: Poison Heal
EVs: 184 Def / 252 HP / 72 Spd
Impish Nature
- Earthquake
- Substitute
- Toxic
- Protect

Greninja @ Life Orb
Ability: Protean
EVs: 252 Spd / 252 SAtk / 4 HP
Hasty Nature
- Dark Pulse
- Surf
- Ice Beam
- U-turn

Staraptor @ Sky Plate
Ability: Reckless
EVs: 252 Spd / 252 Atk / 4 HP
Adamant Nature
- Brave Bird
- Fly
- U-turn
- Close Combat

Volcarona @ Life Orb
Ability: Flame Body
EVs: 252 Spd / 252 SAtk / 4 HP
Modest Nature
- Fiery Dance
- Quiver Dance
- Hurricane
- Bug Buzz

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 240 SDef / 16 Def
Relaxed Nature
- Power Whip
- Stealth Rock
- Gyro Ball
- Thunder Wave