Rayquaza @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Lax Nature  
- Brave Bird  
- Core Enforcer  
- Defog  
- Recover  

Marowak-Alola @ Thick Club  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Poltergeist  
- Roost  
- Shadow Sneak  

Golisopod @ Heavy-Duty Boots  
Ability: Soundproof  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Parting Shot  
- Shore Up  
- Defog  
- Poison Fang  

Dialga @ Adamant Orb  
Ability: Adaptability  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Draco Meteor  
- Flash Cannon  
- Strength Sap  

Zamazenta-Crowned @ Occa Berry  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Thunderous Kick  
- Bolt Strike  
- Stealth Rock  
- Roost  

Xerneas @ Shed Shell  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Spikes  
- Moonblast  
- Recover