Cobalion @ Rocky Helmet  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Taunt  
- Close Combat  
- Iron Head  

Cloyster @ Focus Sash  
Ability: Skill Link  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Shell Smash  
- Hydro Pump  
- Icicle Spear  
- Rock Blast  

Necrozma @ Power Herb  
Ability: Prism Armor  
EVs: 200 SpA / 56 SpD / 252 Spe  
Modest Nature  
- Autotomize  
- Meteor Beam  
- Heat Wave  
- Photon Geyser  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Fire Blast  
- Ice Punch  
- Earthquake  

Zeraora @ Firium Z  
Ability: Volt Absorb  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bulk Up  
- Plasma Fists  
- Blaze Kick  
- Play Rough  

Aegislash @ Air Balloon  
Ability: Stance Change  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Shadow Claw  
- Shadow Sneak  
- Close Combat