Clawitzer's Destructive Howitzer V. 1.0

Clawitzer (M) @ Choice Specs
Ability: Mega Launcher
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Spe
- Water Pulse
- Aura Sphere
- Sludge Wave
- U-turn

Marowak-Alola (F) @ Thick Club
Ability: Rock Head
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Swords Dance
- Flare Blitz
- Shadow Bone
- Bonemerang

Magearna @ Fairium Z
Ability: Soul-Heart
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Fleur Cannon
- Thunderbolt
- Focus Blast

Cresselia @ Mental Herb
Ability: Levitate
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
IVs: 0 Atk
- Trick Room
- Ice Beam
- Moonlight
- Lunar Dance

Stakataka @ Air Balloon
Ability: Beast Boost
EVs: 252 HP / 252 Atk / 4 SpD
Lonely Nature
IVs: 15 Def / 0 Spe
- Trick Room
- Stone Edge
- Gyro Ball
- Stealth Rock

Slowbro-Mega (M) @ Slowbronite
Ability: Regenerator
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Scald
- Psychic
- Flamethrower