Shuckle @ Mental Herb  
Ability: Sturdy  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sticky Web  
- Stealth Rock  
- Knock Off  
- Encore  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Psychic  
- Hidden Power [Fire]  

Terrakion @ Rockium Z  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Substitute  
- Stone Edge  
- Close Combat  

Nihilego @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Wave  
- Thunderbolt  
- Hidden Power [Ice]  
- Grass Knot  

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Stone Edge  
- Crunch  
- Pursuit  
- Fire Punch  

Golem-Alola @ Air Balloon  
Ability: Magnet Pull  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Wild Charge  
- Earthquake  
- Fire Punch  
- Explosion