Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Substitute  
- Endeavor  
- Moonblast  
- Diamond Storm  

Volcarona @ Buginium Z  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Fire Blast  
- Bug Buzz  
- Hidden Power [Ground]  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 48 Def / 208 SpD  
Careful Nature  
IVs: 0 Spe  
- Spikes  
- Leech Seed  
- Power Whip  
- Gyro Ball  

Excadrill @ Focus Sash  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Rapid Spin  
- Iron Head  
- Earthquake  

Mandibuzz @ Leftovers  
Ability: Overcoat  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Defog  
- Foul Play  
- Roost  
- Toxic  

Tapu Koko @ Shuca Berry  
Ability: Electric Surge  
EVs: 104 HP / 12 Def / 176 SpA / 216 Spe  
Timid Nature  
- Thunderbolt  
- Volt Switch  
- Hidden Power [Ice]  
- Roost