Mewtwo-Mega-X @ Mewtwonite X  
Ability: Pressure  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Substitute  
- Knock Off  
- Psychic Noise  
- Drain Punch  

Magearna @ Normalium Z  
Ability: Soul-Heart  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Heal Bell  
- Volt Switch  
- Fleur Cannon  

Terapagos @ Heavy-Duty Boots  
Ability: Tera Shift  
EVs: 248 HP / 252 SpD  
Calm Nature  
- Roar  
- Rapid Spin  
- Dark Pulse  
- Tera Starstorm  

Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
Tera Type: Ghost  
EVs: 248 HP / 8 Atk / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Leech Seed  
- Thunder Wave  
- Knock Off  
- Gyro Ball  

Iron Bundle @ Choice Specs  
Ability: Quark Drive  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Ice Beam  
- Freeze-Dry  
- Hydro Pump  
- Flip Turn  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Steel  
EVs: 252 HP / 184 Def / 72 Spe  
Impish Nature  
- Knock Off  
- Toxic  
- Protect  
- Earthquake