Scizor-Mega @ Scizorite  
Ability: Technician  
EVs: 240 HP / 128 SpD / 140 Spe  
Adamant Nature  
- Sand Tomb  
- Bullet Punch  
- Swords Dance  
- Roost  

Umbreon @ Rocky Helmet  
Ability: Synchronize  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Heal Bell  
- Moonlight  
- Foul Play  
- Toxic  

Garchomp @ Rockium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Stealth Rock  
- Stone Edge  
- Earthquake  

Corviknight @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 184 Def / 72 SpD  
Relaxed Nature  
- Roost  
- U-turn  
- Brave Bird  
- Defog  

Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 80 HP / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Wave  
- Power Gem  
- Thunderbolt  

Volcanion @ Choice Specs  
Ability: Water Absorb  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Overheat  
- Earth Power  
- Sludge Bomb