Stakataka @ Air Balloon  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 15 Def / 0 Spe  
- Trick Room  
- Gyro Ball  
- Earthquake  
- Stone Edge  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 52 Atk / 252 SpA / 204 SpD  
Quiet Nature  
- Eruption  
- Earth Power  
- Fire Blast  
- Stone Edge  

Uxie @ Mental Herb  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Trick Room  
- Stealth Rock  
- Magic Coat  
- Memento  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 32 HP / 252 Atk / 64 Def / 160 SpA  
Brave Nature  
- Liquidation  
- Thunder  
- Earthquake  
- Ice Beam  

Xerneas @ Choice Specs  
Ability: Fairy Aura  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 30 HP / 0 Atk  
- Moonblast  
- Thunder  
- Hidden Power [Ground]  
- Endeavor  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
- Trick Room  
- Swords Dance  
- Sunsteel Strike  
- Earthquake