Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 88 Def / 168 SpD  
Careful Nature  
IVs: 30 Spe  
- Sucker Punch  
- Knock Off  
- U-turn  
- Roost  

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

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 240 SpD / 16 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Recover  
- Toxic  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Aromatherapy  
- Defog  
- Moonblast  
- Thunder Wave  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 48 SpD / 4 Spe  
Careful Nature  
- Sacred Fire  
- Roost  
- Whirlwind  
- Thunder Wave  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Astral Barrage  
- Psyshock  
- Grass Knot