OU Scarfed Hoopa + Zard X

Hoopa-Unbound @ Choice Scarf
Ability: Magician
EVs: 248 Atk / 4 SpA / 252 Spe
Hasty Nature
- Psychic
- Hyperspace Fury
- Gunk Shot
- Drain Punch

Greninja (M) @ Life Orb
Ability: Protean
Shiny: Yes
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Gunk Shot
- Hidden Power [Fire]
- Dark Pulse
- Spikes

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 192 Def / 16 SpD / 52 Spe
Calm Nature
IVs: 0 Atk
- Taunt
- Surf
- Moonblast
- Surf

Charizard-Mega-X @ Charizardite X
Ability: Tough Claws
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Dragon Dance
- Flare Blitz
- Dragon Claw
- Roost

Muk-Alola @ Assault Vest
Ability: Poison Touch
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Knock Off
- Gunk Shot
- Pursuit
- Rock Slide