Just thought I'd post the team I've had good success with so far, about 65% winrate at the moment, but only 1250 elo.
Skeledirge @ Leftovers
Ability: Unaware
Tera Type: Fighting
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Torch Song
- Curse
- Yawn
- Protect
Iron...