Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 60 Atk / 16 SpD / 184 Spe  
Adamant Nature  
- Roost  
- Knock Off  
- U-turn  
- Defog  

Necrozma-Dusk-Mane @ Shed Shell  
Ability: Prism Armor  
EVs: 252 HP / 224 SpD / 32 Spe  
Careful Nature  
- Sunsteel Strike  
- Earthquake  
- Thunder Wave  
- Stealth Rock  

Eternatus @ Eject Pack  
Ability: Pressure  
EVs: 248 HP / 44 SpD / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Flamethrower  
- Toxic  
- Recover  

Calyrex-Shadow @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Trick  
- Nasty Plot  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 68 HP / 252 Atk / 188 Spe  
Adamant Nature  
- Spectral Thief  
- Low Kick  
- Ice Punch  
- Shadow Sneak  

Kyogre @ Lum Berry  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Origin Pulse  
- Thunder  
- Ice Beam