Magearna
Ability: Soul-Heart
Adamant Nature

Wishiwashi-School (M)
Ability: Schooling
Adamant Nature

Marowak-Alola (M) @ Thick Club
Ability: Lightning Rod
EVs: 252 HP / 252 Atk
IVs: 0 Spe
Brave Nature
- Shadow Bone
- Bonemerang
- Flare Blitz
- Brick Break

Xurkitree @ Choice Specs
Ability: Beast Boost
EVs: 252 SpA / 4 Spe
IVs: 30 Def / 30 SpD
Modest Nature
- Thunderbolt
- Energy Ball
- Dazzling Gleam
- Hidden Power Ghost

Celesteela @ Leftovers
Ability: Beast Boost
EVs: 252 HP / 252 Def
Bold Nature
- Protect
- Flamethrower
- Heavy Slam
- Leech Seed

Nihilego @ Leftovers
Ability: Beast Boost
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Protect
- Clear Smog
- Thunder Wave
- Stealth Rock