Volcanion @ Air Balloon  
Ability: Water Absorb  
Tera Type: Fire  
EVs: 248 HP / 92 Def / 68 SpA / 100 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Overheat  
- Sludge Wave  
- Substitute  

Iron Valiant @ Choice Band  
Ability: Quark Drive  
Tera Type: Fairy  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spirit Break  
- Close Combat  
- Ice Punch  
- Poison Jab  

Metagross @ Assault Vest  
Ability: Clear Body  
Tera Type: Steel  
EVs: 248 HP / 156 Atk / 28 Def / 76 SpD  
Adamant Nature  
- Heavy Slam  
- Bullet Punch  
- Earthquake  
- Psychic Fangs  

"volcanion:creeps standard WP prim, lives 252+CB LandoT stone edge (maybe paranoia bench) and specs valiant, sub is required for ursaluna reliability
iron valiant and metagross both standard"