Full boom team

Muk-Alola @ Assault Vest
Ability: Poison Touch
EVs: 252 HP / 136 Atk / 120 SpD
Adamant Nature
- Explosion
- Pursuit
- Poison Jab
- Knock Off

Volcanion @ Choice Band
Ability: Water Absorb
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Explosion
- Flare Blitz
- Liquidation
- Flame Charge

Golem-Alola @ Choice Scarf
Ability: Galvanize
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Explosion
- Stone Edge
- Return
- Earthquake

Glalie-Mega @ Glalitite
Ability: Refrigerate
EVs: 248 HP / 8 Atk / 252 Spe
Hasty Nature
- Explosion
- Spikes
- Freeze-Dry
- Taunt

Steelix @ Custap Berry
Ability: Sturdy
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Explosion
- Stealth Rock
- Earthquake
- Toxic

Azelf @ Choice Scarf
Ability: Levitate
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Explosion
- Zen Headbutt
- Fire Punch
- U-turn