Eternatus @ Black Sludge  
Ability: Toxic Debris  
Tera Type: Poison  
EVs: 252 HP / 176 Def / 12 SpD / 68 Spe  
Timid Nature  
- Dynamax Cannon  
- Recover  
- Dragon Tail  
- Flamethrower  

Regigigas @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Normal  
EVs: 12 HP / 244 Atk / 252 Spe  
Jolly Nature  
- Facade  
- Knock Off  
- Substitute  
- Protect  

Lunala @ Leftovers  
Ability: Magic Bounce  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 4 SpA  
Modest Nature  
IVs: 0 Atk  
- Hex  
- Moonlight  
- Teleport  
- Moonblast  

Arceus-Dark @ Dread Plate  
Ability: Fur Coat  
Tera Type: Dark  
EVs: 248 HP / 200 Def / 44 SpD / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Will-O-Wisp  
- Recover  
- Perish Song  

Rayquaza @ Choice Band  
Ability: Aerilate  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Extreme Speed  
- Double-Edge  
- Earthquake  
- U-turn  

Necrozma-Dusk-Mane @ Ability Shield  
Ability: Ice Scales  
Tera Type: Psychic  
EVs: 252 HP / 136 SpD / 120 Spe  
Careful Nature  
- Sunsteel Strike  
- Earthquake  
- Dragon Dance  
- Moonlight