Trick Room Team

Mimikyu @ Mental Herb
Ability: Disguise
Level: 50
EVs: 252 HP / 76 Atk / 180 Def
Sassy Nature
IVs: 0 Spe
- Trick Room
- Will-O-Wisp
- Play Rough
- Shadow Sneak

Pheromosa @ Choice Band
Ability: Beast Boost
Level: 50
EVs: 212 Atk / 44 SpA / 252 Spe
Naughty Nature
- High Jump Kick
- U-turn
- Poison Jab
- Ice Beam

Wishiwashi @ Waterium Z
Ability: Schooling
Level: 50
EVs: 252 HP / 168 SpA / 88 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Scald
- Ice Beam
- Helping Hand
- Protect

Marowak-Alola @ Thick Club
Ability: Lightning Rod
Level: 50
EVs: 252 HP / 100 Atk / 156 SpD
Brave Nature
IVs: 0 Spe
- Flare Blitz
- Shadow Bone
- Bonemerang
- Protect

Goodra @ Life Orb
Ability: Sap Sipper
Level: 50
EVs: 252 HP / 100 Def / 156 SpA
Modest Nature
IVs: 0 Atk
- Draco Meteor
- Sludge Bomb
- Thunderbolt
- Protect

Tapu Koko @ Choice Specs
Ability: Electric Surge
Level: 50
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Thunderbolt
- Volt Switch
- Hidden Power [Poison]
- Dazzling Gleam