Heatran @ Grassium Z  
Ability: Flash Fire  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Toxic  
- Earth Power  
- Solar Beam  

Landorus-Therian @ Rocky Helmet  
Ability: Intimidate  
Tera Type: Water  
EVs: 252 HP / 172 Def / 72 Spe  
Impish Nature  
IVs: 25 Spe  
- U-turn  
- Taunt  
- Defog  
- Earthquake  

Urshifu-Rapid-Strike @ Choice Scarf  
Ability: Unseen Fist  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Close Combat  
- Surging Strikes  
- Ice Spinner  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
Tera Type: Rock  
EVs: 80 HP / 252 Atk / 176 Spe  
Adamant Nature  
- Stone Edge  
- Knock Off  
- Pursuit  
- Stealth Rock  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Ghost  
EVs: 252 HP / 44 Def / 212 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Power Whip  
- Gyro Ball  
- Leech Seed  
- Spikes  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Flying  
EVs: 108 HP / 4 Def / 136 SpA / 8 SpD / 252 Spe  
Timid Nature  
- Nasty Plot  
- Hurricane  
- Taunt  
- U-turn