Rayquaza @ Choice Band  
Ability: Air Lock  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Draco Meteor  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Thunder Wave  
- Sacred Fire  
- Whirlwind  
- Defog  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 160 HP / 252 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Mystical Fire  
- Toxic  
- Dynamax Cannon  
- Recover  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 168 HP / 252 Def / 88 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Aromatherapy  
- Rest  
- Grass Knot  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Thunder Wave  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- U-turn  
- Sucker Punch  
- Roost