Metagross @ Expert Belt  
Ability: Clear Body  
EVs: 196 Atk / 252 SpA / 60 Spe  
Rash Nature  
- Grass Knot  
- Stealth Rock  
- Meteor Mash  
- Hidden Power [Fire]  

Mamoswine @ Life Orb  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Icicle Crash  
- Knock Off  
- Ice Shard  

Altaria-Mega @ Altarianite  
Ability: Pixilate  
Shiny: Yes  
EVs: 60 HP / 252 Atk / 196 Spe  
Adamant Nature  
- Dragon Dance  
- Return  
- Refresh  
- Roost  

Tentacruel @ Black Sludge  
Ability: Clear Body  
EVs: 252 HP / 112 Def / 144 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Rapid Spin  
- Haze  
- Sludge Bomb  

Rotom-Heat @ Firium Z  
Ability: Levitate  
EVs: 80 HP / 180 SpA / 248 Spe  
Timid Nature  
IVs: 0 Atk  
- Overheat  
- Volt Switch  
- Pain Split  
- Toxic  

Hydreigon @ Choice Scarf  
Ability: Levitate  
Shiny: Yes  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Dark Pulse  
- U-turn  
- Fire Blast