Terrakion @ Choice Band  
Ability: Justified  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Earthquake  
- Quick Attack  
- Stone Edge  

Toxapex @ Black Sludge  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Recover  
- Haze  
- Scald  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Flying  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
- Defog  
- Bleakwind Storm  
- U-turn  
- Taunt  

Ting-Lu @ Leftovers  
Ability: Vessel of Ruin  
Tera Type: Dark  
EVs: 252 HP / 4 Atk / 252 SpD  
Sassy Nature  
- Spikes  
- Ruination  
- Whirlwind  
- Earthquake  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Knock Off  
- Pursuit  
- Stone Edge  
- Stealth Rock  

Thundurus (M) @ Fightinium Z  
Ability: Prankster  
Tera Type: Electric  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Focus Blast  
- Thunderbolt  
- Hidden Power [Ice]