Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Rock  
EVs: 248 HP / 228 Atk / 20 Def / 12 Spe  
Adamant Nature  
- Poltergeist  
- Dragon Tail  
- Defog  
- Stone Edge  

Groudon-Primal @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 68 Def / 192 SpD  
Relaxed Nature  
- Spikes  
- Precipice Blades  
- Overheat  
- Toxic  

Eternatus @ Choice Specs  
Ability: Pressure  
Tera Type: Dragon  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Toxic Spikes  
- Sludge Bomb  
- Fire Blast  

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

Yveltal @ Life Orb  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- Knock Off  

Necrozma-Dusk-Mane @ Covert Cloak  
Ability: Prism Armor  
Tera Type: Poison  
EVs: 252 HP / 72 Def / 184 SpD  
Careful Nature  
- Sunsteel Strike  
- Thunder Wave  
- Stealth Rock  
- Morning Sun