enter mega camerupt

Camerupt-Mega @ Cameruptite
Ability: Solid Rock
EVs: 252 HP / 48 SpA / 208 SpD
Quiet Nature
- Stealth Rock
- Fire Blast
- Earth Power
- Rock Slide

Serperior @ Choice Scarf
Ability: Contrary
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Leaf Storm
- Dragon Pulse
- Hidden Power [Ice]
- Glare

Keldeo-Resolute @ Choice Specs
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Secret Sword
- Hydro Pump
- Scald
- Hidden Power [Electric]

Magearna @ Choice Specs
Ability: Soul-Heart
EVs: 252 HP / 212 SpA / 44 Spe
Modest Nature
IVs: 0 Atk
- Fleur Cannon
- Flash Cannon
- Aura Sphere
- Volt Switch

Cofagrigus @ Ghostium Z
Ability: Mummy
EVs: 248 HP / 252 SpA / 8 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Nasty Plot
- Shadow Ball
- Hidden Power [Fighting]

VITTSJÖ (Avalugg) @ Rocky Helmet
Ability: Sturdy
EVs: 248 HP / 252 Def / 8 SpD
Impish Nature
- Avalanche
- Recover
- Rapid Spin
- Roar