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  

Tyranitar @ Assault Vest  
Ability: Sand Stream  
EVs: 96 HP / 252 Atk / 24 SpA / 136 SpD  
Brave Nature  
- Ice Beam  
- Pursuit  
- Stone Edge  
- Fire Punch  

Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Fake Out  
- High Jump Kick  
- Zen Headbutt  
- Bullet Punch  

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

Landorus-Therian @ Rocky Helmet  
Ability: Intimidate  
EVs: 248 HP / 124 Def / 136 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Defog  
- Hidden Power [Ice]  

Naganadel @ Choice Scarf  
Ability: Beast Boost  
EVs: 88 HP / 252 SpA / 168 Spe  
Timid Nature  
- U-turn  
- Fire Blast  
- Draco Meteor  
- Sludge Wave