Umbreon @ Leftovers  
Ability: Synchronize  
Tera Type: Poison  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Wish  
- Protect  
- Foul Play  

Avalugg @ Heavy-Duty Boots  
Ability: Sturdy  
Tera Type: Ground  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Recover  
- Rapid Spin  
- Earthquake  
- Avalanche  

Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Steel  
EVs: 252 HP / 252 Def  
Bold Nature  
IVs: 30 Atk  
- Transform  

Thundurus @ Choice Specs  
Ability: Prankster  
Tera Type: Flying  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Grass Knot  
- Thunderbolt  
- Volt Switch  
- Tera Blast  

Munkidori @ Assault Vest  
Ability: Toxic Chain  
Tera Type: Dragon  
EVs: 4 HP / 252 SpD / 252 Spe  
Timid Nature  
- U-turn  
- Fake Out  
- Psychic  
- Focus Blast  

Krookodile @ Choice Scarf  
Ability: Moxie  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Stone Edge  
- Earthquake  
- Knock Off