Eternatus @ Life Orb  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 SpA / 252 Spe  
Mild Nature  
- Dynamax Cannon  
- Agility  
- Flamethrower  
- Gunk Shot  

Darkrai @ Rocky Helmet  
Ability: Bad Dreams  
Tera Type: Dark  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Dark Pulse  
- Drain Punch  
- Dark Void  
- Nasty Plot  

Tornadus-Therian (M) @ Leftovers  
Ability: Regenerator  
Tera Type: Flying  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Air Slash  
- Tailwind  
- Bleakwind Storm  
- Heat Wave  

Ho-Oh @ Leftovers  
Ability: Pressure  
Shiny: Yes  
Tera Type: Fire  
EVs: 252 HP / 4 Atk / 252 SpA  
Mild Nature  
- Recover  
- Ancient Power  
- Sacred Fire  
- Shadow Ball  

Grimmsnarl @ Mirror Herb  
Ability: Prankster  
Shiny: Yes  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Dark Pulse  
- Drain Punch  
- Fake Out  
- Nasty Plot  

Miraidon @ Choice Specs  
Ability: Hadron Engine  
Tera Type: Electric  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Power Gem  
- Electro Drift  
- Outrage  
- Calm Mind