Porygon2 @ Eviolite  
Ability: Trace  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Foul Play  
- Ice Beam  
- Recover  
- Teleport  

Cinderace @ Heavy-Duty Boots  
Ability: Libero  
EVs: 252 Atk / 76 Def / 180 Spe  
Jolly Nature  
- Court Change  
- Pyro Ball  
- Sucker Punch  
- U-turn  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 176 HP / 240 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Meteor Beam  
- Cosmic Power  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Sunsteel Strike  
- Knock Off  
- Morning Sun  
- Stealth Rock  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 188 SpA / 68 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- Roost  

Groudon @ Leftovers  
Ability: Drought  
EVs: 240 HP / 108 Atk / 144 Def / 16 Spe  
Impish Nature  
- Precipice Blades  
- Stone Edge  
- Swords Dance  
- Toxic