Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
Level: 50  
EVs: 4 HP / 220 Atk / 4 Def / 28 SpD / 252 Spe  
Naive Nature  
- Draco Meteor  
- Dragon Ascent  
- Extreme Speed  
- Protect  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Level: 50  
EVs: 100 HP / 76 Def / 204 SpA / 4 SpD / 124 Spe  
Modest Nature  
- Moonblast  
- Dazzling Gleam  
- Geomancy  
- Protect  

Aegislash @ Power Anklet  
Ability: Stance Change  
Level: 50  
EVs: 252 HP / 76 Atk / 20 Def / 140 SpA / 20 SpD  
Brave Nature  
IVs: 0 Spe  
- Gyro Ball  
- Shadow Ball  
- Shadow Sneak  
- King's Shield  

Cottonee @ Eviolite  
Ability: Prankster  
Level: 50  
EVs: 252 HP / 100 Def / 156 SpD  
Bold Nature  
IVs: 2 Spe  
- Encore  
- Fake Tears  
- Safeguard  
- Swagger  

Infernape @ Focus Sash  
Ability: Blaze  
Level: 50  
EVs: 244 Atk / 12 SpA / 252 Spe  
Naive Nature  
- Overheat  
- Close Combat  
- Fake Out  
- Quick Guard  

Rotom-Wash @ Assault Vest  
Ability: Levitate  
Level: 50  
EVs: 252 HP / 52 Def / 36 SpA / 4 SpD / 164 Spe  
Modest Nature  
- Thunder  
- Thunderbolt  
- Hydro Pump  
- Electroweb