Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 252 Atk / 68 SpD / 188 Spe  
Adamant Nature  
- Knock Off  
- Acrobatics  
- Sucker Punch  
- Hone Claws  

Calyrex-Shadow @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy  

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

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 240 SpD / 16 Spe  
Careful Nature  
- Sacred Fire  
- Defog  
- Thunder Wave  
- Whirlwind  

Eternatus @ Haban Berry  
Ability: Pressure  
EVs: 164 HP / 252 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Shadow Ball  
- Toxic  

Zarude @ Leftovers  
Ability: Leaf Guard  
EVs: 252 HP / 120 SpD / 136 Spe  
Jolly Nature  
- Bulk Up  
- Power Whip  
- Darkest Lariat  
- Synthesis