Marowak-Alola @ Thick Club  
Ability: Surge Surfer  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Flare Blitz  
- Thunder Punch  
- Swords Dance  
- Poltergeist  

Tapu Koko @ Terrain Extender  
Ability: Primordial Sea  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
- Thunder  
- U-turn  
- Thunder Wave  
- Taunt  

Milotic @ Heavy-Duty Boots  
Ability: Intimidate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Scald  
- Recover  
- Flip Turn  
- Toxic  

Ferrothorn @ Leftovers  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stealth Rock  
- Thunder Wave  
- Gyro Ball  
- Power Whip  

Regieleki @ Heavy-Duty Boots  
Ability: Refrigerate  
EVs: 60 Atk / 224 SpA / 224 Spe  
Mild Nature  
- Rising Voltage  
- Extreme Speed  
- Volt Switch  
- Rapid Spin  

Sigilyph @ Life Orb  
Ability: Gale Wings  
EVs: 32 HP / 252 SpA / 224 Spe  
Modest Nature  
IVs: 0 Atk  
- Air Slash  
- Calm Mind  
- Roost  
- Psyshock