Hatterene (F) @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Healing Wish  
- Mystical Fire  
- Dazzling Gleam  

Camerupt-Mega @ Cameruptite  
Ability: Sheer Force  
EVs: 248 HP / 252 SpA / 8 SpD  
Quiet Nature  
IVs: 1 Atk / 0 Spe  
- Earth Power  
- Flamethrower  
- Hidden Power [Ice]  
- Ancient Power  

Marowak-Alola @ Thick Club  
Ability: Rock Head  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Swords Dance  
- Poltergeist  
- Flare Blitz  
- Bonemerang  

Stakataka @ Rockium Z  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 15 Def / 0 Spe  
- Gyro Ball  
- Stone Edge  
- Heat Crash  
- Earthquake  

Cresselia (F) @ Mental Herb  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Trick Room  
- Moonlight  
- Psychic  
- Ice Beam  

Diancie @ Leftovers  
Ability: Clear Body  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Earth Power  
- Moonblast  
- Stealth Rock