Skarmory @ Rocky Helmet  
Ability: Sturdy  
EVs: 252 HP / 76 Def / 180 Spe  
Impish Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Taunt  
- Counter  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 72 HP / 252 SpD / 184 Spe  
Timid Nature  
- Dragon Tail  
- Flamethrower  
- Dynamax Cannon  
- Recover  

Tyranitar @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Rock Blast  
- Foul Play  
- Stealth Rock  
- Rest  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 12 HP / 252 Atk / 244 Spe  
Jolly Nature  
- Toxic  
- Thousand Arrows  
- Substitute  
- Dragon Dance  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Moonlight  
- Toxic  

Marshadow @ Spell Tag  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Ice Punch  
- Poltergeist  
- Close Combat  
- Shadow Sneak