Dialga-Origin @ Adamant Crystal  
Ability: Pressure  
Tera Type: Flying  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Trick Room  
- Stealth Rock  
- Draco Meteor  
- Heavy Slam  

Calyrex-Ice @ Heavy-Duty Boots  
Ability: As One (Glastrier)  
Tera Type: Ground  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Glacial Lance  
- High Horsepower  
- Trick Room  
- Swords Dance  

Arceus-Bug @ Insect Plate  
Ability: Multitype  
Tera Type: Fire  
EVs: 248 HP / 8 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Judgment  
- Tera Blast  
- Ice Beam  
- Will-O-Wisp  

Great Tusk @ Heavy-Duty Boots  
Ability: Protosynthesis  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 4 SpD  
Impish Nature  
- Rapid Spin  
- Headlong Rush  
- Stealth Rock  
- Knock Off  

Koraidon @ Choice Band  
Ability: Orichalcum Pulse  
Tera Type: Electric  
EVs: 248 HP / 252 Atk / 4 SpD / 4 Spe  
Adamant Nature  
- Wild Charge  
- Dragon Claw  
- Low Kick  
- U-turn  

Magearna @ Eject Pack  
Ability: Soul-Heart  
Tera Type: Fairy  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk  
- Spikes  
- Fleur Cannon  
- Volt Switch  
- Trick Room