Ditto @ Choice Scarf  
Ability: Imposter  
Hidden Power: Ice  
Tera Type: Fairy  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 30 SpA / 30 SpD / 1 Spe  
- Transform  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Fairy  
EVs: 244 HP / 168 SpD / 96 Spe  
Jolly Nature  
- Earthquake  
- Defog  
- Protect  
- Toxic  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
Tera Type: Dragon  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Mystical Fire  
- Psyshock  
- Aura Sphere  
- Recover  

Toxapex @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Steel  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
- Haze  
- Recover  
- Knock Off  
- Toxic  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Happiness: 0  
Tera Type: Ghost  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Spikes  
- Power Whip  
- Protect  
- Leech Seed  

Garganacl @ Leftovers  
Ability: Purifying Salt  
Shiny: Yes  
Tera Type: Fairy  
EVs: 252 HP / 28 Def / 228 SpD  
Impish Nature  
- Stealth Rock  
- Recover  
- Salt Cure  
- Protect