Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Origin Pulse  
- Ice Beam  
- Hidden Power [Ground]  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 240 Def / 252 SpA / 16 SpD  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Toxic  
- Draco Meteor  
- Defog  

Magearna @ Manectite  
Ability: Soul-Heart  
EVs: 248 HP / 212 Def / 48 SpA  
Modest Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Calm Mind  
- Thunderbolt  
- Pain Split  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 164 Def / 84 SpD / 8 Spe  
Relaxed Nature  
- Overheat  
- Stealth Rock  
- Toxic  
- Precipice Blades  

Arceus @ Chople Berry  
Ability: Multitype  
EVs: 120 HP / 252 Atk / 136 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Earthquake  

Zygarde @ Altarianite  
Ability: Aura Break  
EVs: 208 HP / 252 Atk / 48 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Return  
- Extreme Speed