Volcanion @ Heavy-Duty Boots  
Ability: Water Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Steam Eruption  
- Sludge Wave  
- Flamethrower  
- Earth Power  

Tapu Koko @ Heavy-Duty Boots  
Ability: Electric Surge  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Thunderbolt  
- Dazzling Gleam  
- Toxic  
- U-turn  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 248 HP / 60 Atk / 52 Def / 148 Spe  
Adamant Nature  
- Dragon Dance  
- Ice Punch  
- Earthquake  
- Roost  

Mamoswine @ Choice Band  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Ice Shard  
- Icicle Crash  
- Knock Off  
- Earthquake  

Ferrothorn (M) @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Power Whip  
- Iron Head  
- Stealth Rock  
- Spikes  

Gengar @ Choice Scarf  
Ability: Cursed Body  
Shiny: Yes  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Shadow Ball  
- Focus Blast  
- Trick