Dialga-Origin @ Adamant Crystal  
Ability: Magic Guard  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Steel Beam  
- Dragon Energy  
- Knock Off  
- Strength Sap  

Arceus-Fire @ Earth Plate  
Ability: Magic Guard  
Tera Type: Fire  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Torch Song  
- Judgment  
- Spikes  
- Strength Sap  

Koraidon @ Rocky Helmet  
Ability: Magic Guard  
Tera Type: Fighting  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Axe Kick  
- Gigaton Hammer  
- Stone Axe  
- Strength Sap  

Lunala @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Strength Sap  
- Hex  
- Psystrike  
- Glare  

Blissey (F) @ Leftovers  
Ability: Magic Guard  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Shore Up  
- Ruination  
- Topsy-Turvy  
- Toxic Spikes  

Registeel @ Heavy-Duty Boots  
Ability: Primordial Sea  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Nuzzle  
- Knock Off  
- Parting Shot  
- Shore Up