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

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Spectral Thief  
- Rock Tomb  
- Shadow Sneak  
- Ice Punch  

Landorus-Therian (M) @ Leftovers  
Ability: Intimidate  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Earthquake  
- Toxic  
- U-turn  
- Stealth Rock  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 16 HP / 240 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Sucker Punch  
- Defog  
- Roost  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 120 Atk / 140 Spe  
Adamant Nature  
- Dragon Dance  
- Moonlight  
- Earthquake  
- Sunsteel Strike  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 164 HP / 252 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Sludge Bomb  
- Recover