Trevenant (M) @ Sitrus Berry  
Ability: Harvest  
Shiny: Yes  
Tera Type: Ghost  
EVs: 204 HP / 48 Atk / 124 Def / 132 SpD  
Sassy Nature  
IVs: 0 Spe  
- Poltergeist  
- Trick Room  
- Horn Leech  
- Will-O-Wisp  

Dragalge @ Dragalgite  
Ability: Adaptability  
Tera Type: Poison  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Draco Meteor  
- Sludge Wave  
- Thunderbolt  
- Hydro Pump  

Slowking-Galar @ Leftovers  
Ability: Regenerator  
Tera Type: Poison  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk  
- Trick Room  
- Chilly Reception  
- Sludge Bomb  
- Psychic