Swampert @ Leftovers  
Ability: Torrent  
EVs: 252 HP / 96 Def / 160 SpD  
Careful Nature  
IVs: 0 Spe  
- Flip Turn  
- Earthquake  
- Stealth Rock  
- Roar  

Barraskewda @ Choice Band  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Flip Turn  
- Liquidation  
- Close Combat  
- Psychic Fangs  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 8 HP / 248 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Hurricane  
- Weather Ball  
- Taunt  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 30 Spe  
- U-turn  
- Roost  
- Scald  
- Defog  

Melmetal @ Assault Vest  
Ability: Iron Fist  
EVs: 120 HP / 168 Atk / 220 SpD  
Careful Nature  
- Double Iron Bash  
- Thunder Punch  
- Ice Punch  
- Earthquake  

Volcanion @ Choice Specs  
Ability: Water Absorb  
EVs: 252 SpA / 8 SpD / 248 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Sludge Wave  
- Earth Power  
- Weather Ball