Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 248 HP / 40 Def / 112 SpA / 108 Spe  
Modest Nature  
IVs: 0 Atk  
- Tailwind  
- Flamethrower  
- Solar Beam  
- Protect  

Landorus-Therian @ Assault Vest  
Ability: Intimidate  
EVs: 248 HP / 40 Atk / 52 SpD / 168 Spe  
Adamant Nature  
- Earthquake  
- Rock Tomb  
- Rock Slide  
- Superpower  

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

Kyurem-Black @ Assault Vest  
Ability: Teravolt  
EVs: 248 HP / 56 Atk / 56 Def / 68 SpA / 80 Spe  
Relaxed Nature  
- Ice Beam  
- Earth Power  
- Fusion Bolt  
- Icy Wind