Blissey (F) @ Sablenite  
Ability: Natural Cure  
Tera Type: Normal  
EVs: 128 HP / 252 Def / 128 SpD  
Bold Nature  
IVs: 0 Atk  
- Shadow Ball  
- Seismic Toss  
- Soft-Boiled  
- Healing Wish  

Gholdengo @ Diancite  
Ability: Good as Gold  
Tera Type: Steel  
EVs: 16 Def / 240 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Make It Rain  
- Nasty Plot  
- Substitute  
- Shadow Ball  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
Tera Type: Ground  
EVs: 240 HP / 96 Atk / 172 Spe  
Adamant Nature  
- Dragon Dance  
- Stone Edge  
- Earthquake  
- Recover  

Heatran @ Ampharosite  
Ability: Flash Fire  
Tera Type: Fire  
EVs: 252 HP / 224 Def / 16 SpA / 16 Spe  
Modest Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Stealth Rock  
- Taunt  

Regieleki @ Altarianite  
Ability: Transistor  
Tera Type: Electric  
EVs: 252 Atk / 44 Def / 52 SpA / 160 Spe  
Naughty Nature  
- Extreme Speed  
- Rapid Spin  
- Explosion  
- Volt Switch  

Magearna @ Latiasite  
Ability: Soul-Heart  
Tera Type: Steel  
EVs: 252 HP / 196 Def / 60 SpD  
Bold Nature  
IVs: 0 Atk  
- Pain Split  
- Volt Switch  
- Spikes  
- Ice Beam