Tapu Koko @ Terrain Extender  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Hidden Power [Ice]  
- U-turn  

Plasmanta @ Choice Scarf  
Ability: Storm Drain  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Aura Sphere  
- Sludge Wave  
- Thunderbolt  
- Hidden Power [Ice]  

Landorus-Therian @ Flyinium Z  
Ability: Intimidate  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Earthquake  
- Fly  
- Smack Down  
- Stealth Rock  

Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Solar Beam  
- Roost  
- Hidden Power [Ground]  

Colossoil @ Assault Vest  
Ability: Guts  
EVs: 80 HP / 252 Atk / 176 SpD  
Adamant Nature  
- Knock Off  
- Earthquake  
- Rapid Spin  
- Pursuit  

Metagross @ Assault Vest  
Ability: Clear Body  
EVs: 200 HP / 252 Atk / 56 SpD  
Adamant Nature  
- Meteor Mash  
- Bullet Punch  
- Thunder Punch  
- Zen Headbutt