Gholdengo @ Heavy-Duty Boots  
Ability: Good as Gold  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Nasty Plot  
- Shadow Ball  
- Make It Rain  

Arceus @ Groundium Z  
Ability: Multitype  
Tera Type: Ground  
EVs: 248 HP / 164 Def / 96 Spe  
Jolly Nature  
- Dragon Dance  
- Earthquake  
- Recover  
- Stone Edge  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Spikes  
- Roar  
- Earthquake  
- Heat Crash  

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

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 204 Def / 56 SpD  
Careful Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind  

Zygarde @ Leftovers  
Ability: Power Construct  
Tera Type: Water  
EVs: 196 HP / 252 Def / 60 Spe  
Impish Nature  
- Rest  
- Dragon Tail  
- Thousand Arrows  
- Coil