Kartana @ Choice Band  
Ability: Steely Spirit  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Flower Trick  
- Sunsteel Strike  
- Bullet Punch  
- U-turn  

Dialga-Origin @ Steelium Z / Covert Cloak / Ability Shield
Ability: Ice Scales  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Doom Desire  
- Core Enforcer  
- Heal Order  
- Teleport / Spectral Thief 

Dialga-Origin @ Assault Vest
Ability: Regenerator
Tera Type: Fairy / Flying  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Doom Desire  
- Core Enforcer  
- Spectral Thief
- U-Turn