Dialga-Origin @ Adamant Crystal  
Ability: Pressure  
Tera Type: Fairy  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Stealth Rock  
- Draco Meteor  
- Flash Cannon  
- Thunder Wave  

Palkia-Origin @ Lustrous Globe  
Ability: Pressure  
Tera Type: Steel  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spacial Rend  
- Hydro Pump  
- Fire Blast  
- Thunder Wave  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Shiny: Yes  
Tera Type: Ghost  
EVs: 84 Atk / 172 SpA / 252 Spe  
Naive Nature  
- Shadow Ball  
- Shadow Sneak  
- Draco Meteor  
- Defog  

Arceus @ Silk Scarf  
Ability: Multitype  
Shiny: Yes  
Tera Type: Normal  
EVs: 120 HP / 252 Atk / 136 Spe  
Adamant Nature  
- Extreme Speed  
- Swords Dance  
- Shadow Claw  
- Taunt  

Groudon @ Leftovers  
Ability: Drought  
Tera Type: Fairy  
EVs: 240 HP / 252 SpD / 16 Spe  
Careful Nature  
- Precipice Blades  
- Protect  
- Will-O-Wisp  
- Spikes  

Eternatus @ Choice Scarf  
Ability: Pressure  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Dynamax Cannon  
- Sludge Bomb  
- Fire Blast  
- Toxic