Stakataka @ Diancite  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Gyro Ball  
- Stone Edge  
- Earthquake  

Hoopa-Unbound @ Heracronite  
Ability: Magician  
EVs: 252 HP / 252 Atk  
Brave Nature  
- Power-Up Punch  
- Zen Headbutt  
- Drain Punch  
- Gunk Shot  

Magearna @ Cameruptite  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk  
- Trick Room  
- Focus Blast  
- Flash Cannon  
- Fleur Cannon  

Xurkitree @ Ampharosite  
Ability: Beast Boost  
EVs: 252 HP / 252 SpA  
Quiet Nature  
IVs: 0 Atk  
- Tail Glow  
- Thunderbolt  
- Energy Ball  
- Dazzling Gleam  

Ferrothorn @ Blue Orb  
Ability: Iron Barbs  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Spikes  
- Leech Seed  
- Protect  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Trick Room  
- Sunsteel Strike  
- Earthquake  
- Photon Geyser