Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Stealth Rock  
- Stone Edge  
- Superpower  
- Pursuit  

Tapu Koko @ Heavy-Duty Boots  
Ability: Electric Surge  
Tera Type: Grass  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- U-turn  
- Roost  

Heatran @ Leftovers  
Ability: Flash Fire  
Tera Type: Grass  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Toxic  
- Taunt  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Water  
EVs: 248 HP / 16 Def / 244 SpD  
Careful Nature  
- Swords Dance  
- Earthquake  
- Facade  
- Roost  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Fairy  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Haze  
- Recover  

Iron Valiant @ Fairium Z  
Ability: Quark Drive  
Tera Type: Electric  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Moonblast  
- Thunderbolt  
- Close Combat  
- Encore