Mareanie @ Eviolite  
Ability: Regenerator  
Shiny: Yes  
Tera Type: Dragon  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Sludge Bomb  
- Recover  
- Haze  

Hippopotas @ Eviolite  
Ability: Sand Force  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Stealth Rock  
- Slack Off  
- Roar  
- Earthquake