Fini + Lele

Tapu Fini @ Choice Specs
Ability: Misty Surge
Level: 50
EVs: 252 HP / 20 Def / 164 SpA / 44 SpD / 28 Spe
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Muddy Water
- Moonblast
- Dazzling Gleam

Muk-Alola @ Figy Berry
Ability: Gluttony
Level: 50
EVs: 188 HP / 244 Atk / 44 Def / 20 SpD / 12 Spe
Adamant Nature
- Poison Jab
- Knock Off
- Shadow Sneak
- Protect

Celesteela @ Leftovers
Ability: Beast Boost
Level: 50
EVs: 188 HP / 4 Atk / 60 Def / 180 SpD / 76 Spe
Careful Nature
- Heavy Slam
- Substitute
- Leech Seed
- Protect

Garchomp @ Groundium Z
Ability: Rough Skin
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Earthquake
- Dragon Claw
- Poison Jab
- Protect

Arcanine @ Sitrus Berry
Ability: Intimidate
Level: 50
EVs: 148 HP / 4 Def / 164 SpA / 28 SpD / 164 Spe
Timid Nature
IVs: 0 Atk
- Flamethrower
- Will-O-Wisp
- Snarl
- Roar

Tapu Lele @ Choice Scarf
Ability: Psychic Surge
Level: 50
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Moonblast
- Psychic
- Dazzling Gleam
- Thunderbolt