Mareanie @ Rocky Helmet
Ability: Regenerator  
Tera Type: Ground / Fairy
EVs: 248 HP / 252 Def / 8 SpD  
Bold / Impish Nature  
IVs: 0 Atk  
- Chilling Water / Toxic Spikes / Poison Jab
- Toxic / Toxic Spikes
- Haze  
- Recover