Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
Tera Type: Psychic  
EVs: 40 HP / 248 Atk / 80 Def / 140 Spe  
Adamant Nature  
- Dragon Dance  
- Photon Geyser  
- Earthquake  
- Stone Edge  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 252 SpA / 96 SpD / 160 Spe  
Mild Nature  
- Overheat  
- Precipice Blades  
- Rock Tomb  
- Stealth Rock  

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

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Taunt  
- Recover  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 80 HP / 204 Atk / 224 Def  
Adamant Nature  
- Thousand Waves  
- Coil  
- Scale Shot  
- Rest  

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