Dark Spam Volt-turn

Hoopa-Unbound @ Choice Band
Ability: Magician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Hyperspace Fury
- Gunk Shot
- Drain Punch
- Fire Punch

Garchomp @ Rocky Helmet
Ability: Rough Skin
EVs: 240 HP / 188 Def / 80 Spe
Impish Nature
- Stealth Rock
- Earthquake
- Dragon Tail
- Toxic

Skarmory @ Leftovers
Ability: Sturdy
EVs: 248 HP / 160 Def / 100 SpD
Impish Nature
- Spikes
- Whirlwind
- Roost
- Brave Bird

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 248 HP / 24 Def / 236 SpD
Calm Nature
IVs: 0 Atk
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Pain Split

Tapu Bulu @ Choice Scarf
Ability: Grassy Surge
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Wood Hammer
- Horn Leech
- Superpower
- Stone Edge

Greninja-Ash @ Choice Specs
Ability: Battle Bond
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Water Shuriken
- Dark Pulse
- Hydro Pump
- U-turn