Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Tera Type: Ghost  
EVs: 248 HP / 76 Def / 184 Spe  
Timid Nature  
- Foul Play  
- Sucker Punch  
- Taunt  
- Roost  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
Tera Type: Grass  
EVs: 248 HP / 72 Def / 188 SpD  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Toxic  
- Morning Sun  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Fire  
EVs: 248 HP / 188 Atk / 52 SpD / 20 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Thunder Wave  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 248 HP / 56 Def / 204 SpD  
Relaxed Nature  
- Spikes  
- Precipice Blades  
- Stone Edge  
- Toxic  

Arceus @ Covert Cloak  
Ability: Multitype  
Tera Type: Ghost  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Taunt  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Low Kick  
- Shadow Sneak  
- Poltergeist