Groudon @ Red Orb  
Ability: Drought  
Shiny: Yes  
Tera Type: Ground  
EVs: 252 HP / 60 Atk / 48 Def / 40 SpD / 108 Spe  
Relaxed Nature  
- Precipice Blades  
- Stealth Rock  
- Overheat  
- Toxic  

Zygarde @ Leftovers  
Ability: Power Construct  
Shiny: Yes  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Coil  
- Thousand Arrows  
- Rest  
- Glare  

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

Arceus @ Dread Plate  
Ability: Multitype  
Tera Type: Fairy  
EVs: 248 HP / 4 Def / 160 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Recover  
- Refresh  

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

Eternatus @ Power Herb  
Ability: Pressure  
Tera Type: Fairy  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Dynamax Cannon  
- Recover  
- Fire Blast