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

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

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

Terrakion @ Fightinium Z  
Ability: Justified  
Tera Type: Rock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stone Edge  
- Close Combat  
- Earthquake  
- Swords Dance  

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

Coalossal @ Heavy-Duty Boots  
Ability: Flame Body  
Tera Type: Rock  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
- Rapid Spin  
- Spikes  
- Will-O-Wisp  
- Flamethrower