Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 HP / 96 Def / 156 SpD / 4 Spe  
Impish Nature  
- Precipice Blades  
- Thunder Wave  
- Overheat  
- Stealth Rock  

Fezandipiti @ Utility Umbrella  
Ability: Toxic Chain  
Tera Type: Grass  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Acid Spray  
- Icy Wind  
- U-turn  
- Roost  

Flygon @ Leftovers  
Ability: Levitate  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Roost  
- Toxic  
- Earth Power  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Tera Type: Ghost  
EVs: 252 HP / 72 Def / 184 Spe  
Jolly Nature  
- Knock Off  
- U-turn  
- Foul Play  
- Roost  

Marshadow @ Choice Band  
Ability: Technician  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Shadow Sneak  
- Ice Punch  
- Spectral Thief  
- Low Kick  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 20 HP / 252 Atk / 236 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Stone Edge