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

Altaria-Mega @ Altarianite  
Ability: Pixilate  
EVs: 8 HP / 252 Atk / 248 Spe  
Adamant Nature  
- Facade  
- Earthquake  
- Dragon Dance  
- Roost  

Magneton @ Choice Specs  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Volt Switch  
- Hidden Power [Fire]  
- Flash Cannon  

Hydreigon @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Defog  
- Dark Pulse  
- U-turn  

Suicune @ Leftovers  
Ability: Pressure  
Shiny: Yes  
EVs: 252 HP / 156 Def / 100 Spe  
Bold Nature  
IVs: 0 Atk  
- Rest  
- Calm Mind  
- Scald  
- Roar  

Nidoqueen @ Black Sludge  
Ability: Sheer Force  
EVs: 252 HP / 108 Def / 72 SpD / 76 Spe  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Earth Power  
- Ice Beam  
- Toxic