Mega Dino CM 3Atks SpikeStack BO

Audino-Mega @ Audinite
Ability: Healer
EVs: 88 HP / 252 SpA / 168 Spe
Modest Nature
IVs: 0 Atk
- Calm Mind
- Ice Beam
- Flamethrower
- Thunderbolt

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 88 Def / 168 SpD
Relaxed Nature
- Spikes
- Leech Seed
- Gyro Ball
- Power Whip

Keldeo-Resolute @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Scald
- Hydro Pump
- Secret Sword
- Toxic

Marowak-Alola @ Thick Club
Ability: Lightning Rod
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Shadow Bone
- Fire Punch
- Swords Dance
- Stealth Rock

Celesteela @ Flyinium Z
Ability: Beast Boost
EVs: 84 HP / 252 SpA / 172 Spe
Modest Nature
- Autotomize
- Air Slash
- Fire Blast
- Earthquake

Garchomp @ Choice Scarf
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Rock Slide
- Dragon Claw
- Outrage