Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 184 HP / 252 SpA / 68 Spe  
Modest Nature  
IVs: 0 Atk  
- Earth Power  
- Flamethrower  
- Thunderbolt  
- Rock Polish  

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Stealth Rock  
- Toxic  

Eternatus @ Black Sludge  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Sludge Bomb  
- Recover  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 252 HP / 252 SpD  
Careful Nature  
- Defog  
- Roost  
- Foul Play  
- Sucker Punch  

Salamence-Mega @ Salamencite  
Ability: Intimidate  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Double-Edge  
- Earthquake  
- Substitute  

Marshadow @ Focus Sash  
Ability: Technician  
Tera Type: Fighting  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Close Combat  
- Knock Off