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

Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Close Combat  
- Poltergeist  
- Shadow Sneak  
- Rock Tomb  

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

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 200 SpD / 56 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Flamethrower  
- Toxic  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 144 SpD / 116 Spe  
Careful Nature  
- Iron Head  
- Stone Edge  
- Thunder Wave  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 244 HP / 248 SpD / 16 Spe  
Careful Nature  
- Foul Play  
- Roost  
- Defog  
- U-turn