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

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Future Sight  
- Slack Off  
- Scald  
- Teleport  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Punishment  
- Defog  
- Earthquake  
- U-turn  

Kommo Sapien (Kommo-o) @ Kommonium Z  
Ability: Bulletproof  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Clanging Scales  
- Stealth Rock  
- Close Combat  
- Poison Jab  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 232 HP / 252 Atk / 4 SpD / 20 Spe  
Adamant Nature  
- Double Iron Bash  
- Ice Punch  
- Thunder Punch  
- Superpower  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Psyshock  
- Aura Sphere  
- Recover