Double Beast Trick Room

Guzzlord @ Choice Specs
Ability: Beast Boost
Shiny: Yes
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Draco Meteor
- Dark Pulse
- Sludge Wave
- Fire Blast

Stakataka @ Rockium Z
Ability: Beast Boost
Shiny: Yes
EVs: 248 HP / 252 Atk / 8 SpD
Lonely Nature
IVs: 15 Def / 0 Spe
- Gyro Ball
- Trick Room
- Stone Edge
- Superpower

Cresselia @ Leftovers
Ability: Levitate
EVs: 248 HP / 8 Def / 252 SpD
Sassy Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Psychic
- Lunar Dance
- Moonlight

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

Steelix-Mega @ Steelixite
Ability: Sturdy
EVs: 248 HP / 60 Def / 200 SpD
Relaxed Nature
IVs: 0 Spe
- Earthquake
- Heavy Slam
- Stealth Rock
- Ice Fang

Quagsire @ Leftovers
Ability: Unaware
EVs: 248 HP / 252 Def / 8 SpD
Relaxed Nature
IVs: 0 Spe
- Earthquake
- Scald
- Recover
- Toxic