New "Old Reliable" Rock

Diancie @ Diancite
Ability: Clear Body
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Moonblast
- Earth Power
- Diamond Storm
- Protect

Cradily @ Leftovers
Ability: Storm Drain
EVs: 252 HP / 196 Def / 4 SpA / 56 SpD
Bold Nature
- Giga Drain
- Earth Power
- Toxic
- Recover

Rhyperior @ Weakness Policy
Ability: Solid Rock
EVs: 212 HP / 44 Atk / 252 Def
Brave Nature
- Earthquake
- Stone Edge
- Avalanche
- Fire Blast

Tyranitar @ Assault Vest
Ability: Sand Stream
EVs: 248 HP / 148 Atk / 8 SpA / 104 SpD
Sassy Nature
- Stone Edge
- Fire Blast
- Ice Beam
- Crunch

Terrakion @ Choice Band
Ability: Justified
EVs: 4 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Stone Edge
- Earthquake
- Quick Attack

Shuckle @ Mental Herb
Ability: Sturdy
EVs: 248 HP / 252 Def / 8 SpD
Impish Nature
- Knock Off
- Encore
- Sticky Web
- Stealth Rock