Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Earthquake  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Toxic  
- Sunsteel Strike  
- Morning Sun  
- Knock Off  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

Tyranitar @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Pursuit  
- Rock Tomb  
- Rest  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Toxic