Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 88 HP / 4 Def / 164 SpD / 252 Spe  
Jolly Nature  
- Defog  
- Foul Play  
- Roost  
- Taunt  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 160 HP / 4 Def / 208 SpD / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Toxic  
- Light Screen  
- Recover  

Groudon @ Leftovers  
Ability: Drought  
EVs: 152 HP / 252 Atk / 104 Spe  
Adamant Nature  
- Bulk Up  
- Precipice Blades  
- Rock Tomb  
- Rest  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 96 Atk / 20 Def / 92 SpD / 52 Spe  
Adamant Nature  
- Brave Bird  
- Sacred Fire  
- Thunder Wave  
- Whirlwind  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 104 HP / 144 SpA / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Trick  
- Aromatherapy  
- Haze  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 208 Def / 36 SpD / 12 Spe  
Impish Nature  
- Stealth Rock  
- Iron Head  
- Toxic  
- Morning Sun