Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 172 HP / 108 SpD / 228 Spe  
Jolly Nature  
- Foul Play  
- U-turn  
- Knock Off  
- Roost  

Eternatus @ Air Balloon  
Ability: Pressure  
EVs: 172 HP / 88 Def / 20 SpA / 228 Spe  
Modest Nature  
IVs: 0 Atk  
- Flamethrower  
- Recover  
- Sludge Bomb  
- Dynamax Cannon  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 240 Def / 16 Spe  
Impish Nature  
- Precipice Blades  
- Stone Edge  
- Stealth Rock  
- Toxic  

Xatu @ Rocky Helmet  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Roost  
- Thunder Wave  
- Teleport  
- Night Shade  

Lunala @ Power Herb  
Ability: Shadow Shield  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Meteor Beam  
- Roost  
- Ice Beam  
- Moongeist Beam  

Necrozma-Dusk-Mane @ Shed Shell  
Ability: Prism Armor  
EVs: 252 HP / 200 SpD / 56 Spe  
Careful Nature  
- Dragon Dance  
- Sunsteel Strike  
- Knock Off  
- Morning Sun