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

XJ-9 (Magearna) @ Life Orb  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Fleur Cannon  
- Flash Cannon  
- Thunderbolt  
- Trick Room  

Trigoniggatry (Necrozma) @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Photon Geyser  
- Signal Beam  
- Trick Room  
- Hidden Power [Ice]  

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

OOF (Mawile-Mega) (F) @ Mawilite  
Ability: Intimidate  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Play Rough  
- Swords Dance  
- Thunder Punch  
- Sucker Punch  

Uxie @ Mental Herb  
Ability: Levitate  
EVs: 252 HP / 160 Def / 96 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Stealth Rock  
- Memento  
- Magic Coat