Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 30 Atk  
- Transform  

Lunala @ Power Herb  
Ability: Shadow Shield  
EVs: 216 HP / 252 SpA / 40 Spe  
Modest Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Meteor Beam  
- Roost  
- Defog  

Swampert @ Sablenite  
Ability: Damp  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Earthquake  
- Stealth Rock  
- Yawn  

Pheromosa @ Lopunnite  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Close Combat  
- Rapid Spin  
- Toxic  

Ho-Oh @ Choice Band  
Ability: Regenerator  
EVs: 160 HP / 252 Atk / 96 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Toxic  
- Earthquake  

Magearna @ Manectite  
Ability: Soul-Heart  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Volt Switch  
- Pain Split  
- Heal Bell