Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Soft-Boiled  
- Protect  
- Seismic Toss  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Ghost  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Rest  
- Defog  
- Dragon Tail  
- Will-O-Wisp  

Groudon @ Rocky Helmet  
Ability: Drought  
Tera Type: Ground  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Spikes  
- Rest  
- Sleep Talk  
- Precipice Blades  

Frosmoth @ Heavy-Duty Boots  
Ability: Ice Scales  
Tera Type: Ice  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
- Rest  
- Defog  
- U-turn  
- Ice Beam  

Scream Tail @ Rocky Helmet  
Ability: Protosynthesis  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Wish  
- Protect  
- Encore  
- Roar  

Dialga-Origin @ Adamant Crystal  
Ability: Pressure  
Tera Type: Steel  
EVs: 252 HP / 4 Atk / 252 SpD  
Calm Nature  
- Rest  
- Sleep Talk  
- Dragon Tail  
- Flash Cannon