Shuckle @ Mental Herb  
Ability: Sturdy  
Tera Type: Bug  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Sticky Web  
- Encore  
- Final Gambit  

Rhyperior @ Weakness Policy  
Ability: Solid Rock  
Tera Type: Ground  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Earthquake  
- Fire Punch  
- Ice Punch  
- Rock Slide  

Diancie @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 252 SpA / 4 SpD / 252 Spe  
Naive Nature  
- Moonblast  
- Mystical Fire  
- Earth Power  
- Diamond Storm  

Ogerpon-Cornerstone (F) @ Cornerstone Mask  
Ability: Sturdy  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Ivy Cudgel  
- Horn Leech  
- Knock Off  

Iron Boulder @ Choice Scarf  
Ability: Quark Drive  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Mighty Cleave  
- Zen Headbutt  
- Earthquake  
- Close Combat  

Arcanine-Hisui @ Choice Band  
Ability: Rock Head  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Flare Blitz  
- Head Smash  
- Extreme Speed  
- Close Combat