Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 248 HP / 248 Def / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Flamethrower  
- Calm Mind  
- Soft-Boiled  

Skarmory @ Heavy-Duty Boots  
Ability: Sturdy  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Brave Bird  
- Spikes  
- Body Press  
- Roost  

Hippowdon @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Earthquake  
- Toxic  
- Stealth Rock  
- Slack Off  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 200 HP / 76 SpA / 232 Spe  
Modest Nature  
IVs: 0 Atk  
- Flamethrower  
- Bug Buzz  
- Quiver Dance  
- Roost  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Thunderbolt  
- Thunder Wave  
- Recover  

Toxapex @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 124 Def / 136 SpD  
Impish Nature  
- Knock Off  
- Poison Jab  
- Haze  
- Recover