Blacephalon @ Choice Scarf  
Ability: Adaptability  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Moongeist Beam  
- V-create  
- Blue Flare  
- Trick  

Celesteela @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Mortal Spin  
- Salt Cure  
- Strength Sap  
- Topsy-Turvy  

Arceus-Poison @ Earth Plate  
Ability: Ice Scales  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Take Heart  
- Judgment  
- Thunder Cage  
- Shore Up  

Diancie-Mega @ Life Orb  
Ability: Pixilate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Rapid Spin  
- Blue Flare  
- Boomburst  
- Pain Split  

Dialga-Origin @ Assault Vest  
Ability: Regenerator  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Doom Desire  
- U-turn  
- Rapid Spin  
- Draco Meteor  

Guzzlord @ Covert Cloak  
Ability: Imposter  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Knock Off  
- Topsy-Turvy  
- Shore Up  
- Teleport