Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 16 Def / 244 SpD  
Relaxed Nature  
- Stealth Rock  
- Earthquake  
- Overheat  
- Dragon Tail  

Mewtwo-Mega-X @ Mewtwonite X  
Ability: Steadfast  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Low Kick  
- Earthquake  
- Ice Beam  
- Stone Edge  

Alomomola (F) @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 216 Def / 44 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Toxic  
- Flip Turn  
- Wish  
- Protect  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 164 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Foul Play  
- Will-O-Wisp  
- Taunt  
- Recover  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 220 Def / 24 SpD / 16 Spe  
Careful Nature  
- Sacred Fire  
- Toxic  
- Whirlwind  
- Defog  

Ditto @ Choice Scarf  
Ability: Imposter  
Tera Type: Normal  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 30 Atk  
- Transform