Groudon @ Red Orb  
Ability: Drought  
EVs: 248 HP / 68 Def / 180 SpD / 12 Spe  
Impish Nature  
- Stealth Rock  
- Swords Dance  
- Precipice Blades  
- Rock Tomb  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Dark  
EVs: 248 HP / 176 Atk / 20 Def / 56 SpD / 8 Spe  
Adamant Nature  
IVs: 0 SpA  
- Sacred Fire  
- Brave Bird  
- Defog  
- Thunder Wave  

Arceus-Dragon @ Draco Plate  
Ability: Multitype  
Tera Type: Ground  
EVs: 248 HP / 120 SpD / 140 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Recover  
- Earth Power  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 32 HP / 252 Def / 224 Spe  
Jolly Nature  
- Foul Play  
- U-turn  
- Defog  
- Toxic  

Kyogre @ Blue Orb  
Ability: Drizzle  
EVs: 248 HP / 236 Def / 24 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Ice Beam  
- Rest