Garchomp @ Groundium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Scale Shot  
- Fire Fang  

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

Weavile @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Triple Axel  
- Knock Off  
- Ice Shard  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Psychic  

Medicham @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- High Jump Kick  
- Zen Headbutt  
- Ice Punch  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 56 HP / 200 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Substitute  
- Glare