Hydreigon @ Rocky Helmet  
Ability: Levitate  
EVs: 240 HP / 16 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Fire Spin  
- Taunt  
- Roost  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 132 HP / 252 SpA / 124 Spe  
Modest Nature  
- Shadow Ball  
- Close Combat  
- King's Shield  
- Substitute  

Volcanion @ Leftovers  
Ability: Water Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Steam Eruption  
- Flamethrower  
- Substitute  
- Earth Power  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Shiny: Yes  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Moonblast  
- Diamond Storm  
- Earth Power  
- Mystical Fire  

Hippowdon (F) @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 48 Def / 208 SpD  
Impish Nature  
- Earthquake  
- Stealth Rock  
- Slack Off  
- Toxic  

Corviknight @ Rocky Helmet  
Ability: Pressure  
EVs: 252 HP / 184 Def / 72 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Brave Bird  
- U-turn  
- Roost  
- Defog