CCRo6 - Archeops and Mega Diancie

Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Moonblast
- Diamond Storm
- Earth Power
- Hidden Power [Fire]

Archeops
Ability: Defeatist
EVs: 204 Atk / 52 Def / 252 Spe
Naive Nature
- Acrobatics
- Stone Edge
- Heat Wave
- Tailwind

Shuckle @ Mental Herb
Ability: Sturdy
EVs: 248 HP / 208 Def / 52 SpD
Impish Nature
- Stealth Rock
- Sticky Web
- Encore
- Knock Off

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

Aurorus @ Choice Scarf
Ability: Snow Warning
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Blizzard
- Freeze-Dry
- Earth Power
- Encore

Carracosta @ Leftovers
Ability: Solid Rock
EVs: 252 HP / 4 Atk / 252 Def
Relaxed Nature
- Scald
- Ice Beam
- Aqua Jet
- Knock Off