Salamence-Mega @ Salamencite  
Ability: Aerilate  
EVs: 248 HP / 244 Def / 16 Spe  
Impish Nature  
- Body Slam  
- Dragon Tail  
- Roost  
- Iron Defense  

Skarmory @ Rocky Helmet  
Ability: Sturdy  
EVs: 248 HP / 252 Def / 4 SpD / 4 Spe  
Impish Nature  
- Counter  
- Toxic  
- Roost  
- Whirlwind  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 248 HP / 252 SpD / 8 Spe  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Aromatherapy  
- Rest  
- Sleep Talk  

Ho-Oh @ Life Orb  
Ability: Regenerator  
EVs: 248 HP / 192 Atk / 52 SpD / 16 Spe  
Adamant Nature  
- Sacred Fire  
- Brave Bird  
- Substitute  
- Roost  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Precipice Blades  
- Stealth Rock  
- Roar  
- Rest  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Defog