Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 160 Atk / 96 Spe  
Adamant Nature  
- Brave Bird  
- Sacred Fire  
- Defog  
- Thunder Wave  

Xerneas @ Heavy-Duty Boots  
Ability: Fairy Aura  
EVs: 252 HP / 68 Def / 188 Spe  
Timid Nature  
IVs: 0 Atk  
- Aromatherapy  
- Defog  
- Moonblast  
- Rest  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 36 Atk / 220 SpD  
Adamant Nature  
IVs: 28 Spe  
- Knock Off  
- Roost  
- U-turn  
- Sucker Punch  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 96 SpD / 160 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Morning Sun  
- Knock Off  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
- Grass Knot  
- Knock Off  
- Earthquake  
- Toxic  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 HP / 224 SpD / 32 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Sludge Bomb  
- Recover