Ditto @ Choice Scarf  
Ability: Imposter  
Shiny: Yes  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 18 Spe  
- Toxic Spikes  
- Destiny Bond  
- Encore  
- U-turn  

Alomomola (F) @ Rocky Helmet  
Ability: Regenerator  
Shiny: Yes  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Spikes  
- Wish  
- Strength Sap  

Coalossal (F) @ Heavy-Duty Boots  
Ability: Flash Fire  
Shiny: Yes  
Tera Type: Rock  
EVs: 252 HP / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Gigaton Hammer  
- Shore Up  
- Will-O-Wisp  

Blissey @ Heavy-Duty Boots  
Ability: Natural Cure  
Shiny: Yes  
Tera Type: Normal  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Clear Smog  
- Knock Off  
- Stone Axe  
- Shore Up  

Latias-Mega @ Latiasite  
Ability: Levitate  
Shiny: Yes  
Tera Type: Dragon  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Mortal Spin  
- Thunder Cage  
- Sacred Fire  
- Shore Up  

Regirock @ Heavy-Duty Boots  
Ability: Sturdy  
Shiny: Yes  
Tera Type: Rock  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Strength Sap  
- Haze  
- Shore Up