Hawlucha @ Electric Seed  
Ability: Unburden  
EVs: 96 HP / 252 Atk / 36 SpD / 124 Spe  
Adamant Nature  
- Acrobatics  
- Swords Dance  
- High Jump Kick  
- Roost  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Substitute  
- Earthquake  
- Crunch  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Defog  
- U-turn  
- Hurricane  
- Knock Off  

Garchomp @ Rockium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Stone Edge  
- Swords Dance  

Tapu Koko @ Shuca Berry  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Thunderbolt  
- Hidden Power [Ice]  
- Roost  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 224 SpD / 36 Spe  
Sassy Nature  
- Fleur Cannon  
- Volt Switch  
- Hidden Power [Fire]  
- Iron Head