Calyrex-Shadow @ Heavy-Duty Boots  
Ability: As One (Spectrier)  
Tera Type: Psychic  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Astral Barrage  
- Psyshock  
- Draining Kiss  

Arceus @ Leftovers  
Ability: Multitype  
Tera Type: Normal  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Swords Dance  
- Extreme Speed  
- Earthquake  
- Recover  

Dialga-Origin @ Adamant Crystal  
Ability: Pressure  
Tera Type: Flying  
EVs: 148 HP / 128 Def / 84 SpA / 148 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Thunder Wave  
- Draco Meteor  
- Flash Cannon  

Palkia-Origin @ Lustrous Globe  
Ability: Pressure  
Tera Type: Water  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Spacial Rend  
- Hydro Pump  
- Fire Blast  

Mudsdale @ Choice Band  
Ability: Stamina  
Tera Type: Ground  
EVs: 4 HP / 252 Atk / 252 SpD  
Adamant Nature  
- Earthquake  
- Close Combat  
- Stone Edge  
- Heavy Slam  

Spectrier @ Choice Scarf  
Ability: Grim Neigh  
Tera Type: Normal  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Draining Kiss  
- Hyper Beam  
- Psychic