Regirock @ Chople Berry  
Ability: Clear Body  
EVs: 252 HP / 180 Def / 76 SpD  
Impish Nature  
- Stealth Rock  
- Rock Slide  
- Earthquake  
- Toxic  

Metang @ Eviolite  
Ability: Clear Body  
EVs: 252 HP / 176 Atk / 80 Def  
Adamant Nature  
- Stealth Rock  
- Meteor Mash  
- Earthquake  
- Toxic  

Mesprit @ Leftovers  
Ability: Levitate  
EVs: 208 HP / 48 SpA / 252 Spe  
Timid Nature  
- Substitute  
- Calm Mind  
- Psyshock  
- Ice Beam  

Oricorio-Pom-Pom @ Rocky Helmet  
Ability: Dancer  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Roost  
- Hurricane  
- Taunt