Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 8 Def / 248 SpD  
Sassy Nature  
- Poison Jab  
- Recover  
- Scald  
- Haze  

Tornadus-Therian @ Heavy-Duty Boots  
Ability: Regenerator  
Shiny: Yes  
EVs: 248 HP / 36 Def / 56 SpD / 168 Spe  
Timid Nature  
- Knock Off  
- Superpower  
- Hurricane  
- Defog  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Flamethrower  
- Psychic  
- Roost  
- Quiver Dance  

Hippowdon @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 8 Atk / 248 SpD  
Careful Nature  
- Earthquake  
- Slack Off  
- Stealth Rock  
- Toxic  

Tangrowth @ Occa Berry  
Ability: Regenerator  
Shiny: Yes  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Earthquake  
- Sleep Powder  
- Giga Drain  
- Infestation  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Shadow Ball  
- King's Shield  
- Toxic  
- Substitute