Heracross-Mega @ Heracronite  
Ability: Skill Link  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Close Combat  
- Swords Dance  
- Pin Missile  
- Rock Blast  

Magearna @ Life Orb  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Thunderbolt  
- Ice Beam  
- Fleur Cannon  

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Teleport  
- Scald  
- Slack Off  

Stakataka @ Air Balloon  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Lonely Nature  
IVs: 14 Def / 0 Spe  
- Gyro Ball  
- Earthquake  
- Stone Edge  
- Trick Room  

Marowak-Alola @ Thick Club  
Ability: Lightning Rod  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Stealth Rock  
- Earthquake  
- Poltergeist  
- Flare Blitz  

Porygon2 @ Eviolite  
Ability: Trace  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Trick Room  
- Teleport  
- Recover  
- Tri Attack