Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 52 HP / 248 Def / 208 Spe  
Timid Nature  
IVs: 0 Atk  
- Roar  
- Will-O-Wisp  
- Ice Beam  
- Roost  

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

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Bullet Seed  
- Curse  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Knock Off  
- U-turn  
- Defog  
- Roost  

Eternatus @ Life Orb  
Ability: Pressure  
EVs: 108 HP / 148 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Flamethrower  
- Recover  

Groudon @ Lum Berry  
Ability: Drought  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Stone Edge  
- Precipice Blades