TrickroomNecrozma

Magearna @ Life Orb
Ability: Soul-Heart
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Fleur Cannon
- Flash Cannon
- Volt Switch

Necrozma
Ability: Prism Armor
EVs: 252 HP / 252 Def / 4 SpA
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Psychic
- Stealth Rock
- Moonlight

Marowak-Alola @ Thick Club
Ability: Lightning Rod
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
IVs: 0 Spe
- Bonemerang
- Flare Blitz
- Shadow Bone
- Will-O-Wisp

Porygon2 @ Eviolite
Ability: Download
EVs: 252 HP / 4 SpA / 252 SpD
Sassy Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Thunderbolt
- Ice Beam
- Recover

Vikavolt @ Life Orb
Ability: Levitate
EVs: 252 HP / 4 Atk / 252 SpA
Quiet Nature
IVs: 0 Atk
- Thunderbolt
- Bug Buzz
- Energy Ball
- Volt Switch

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Hydro Pump
- Defog
- Moonblast
- Ice Beam