Volcarona Bulky Offense (OU)

Firefly (Volcarona) (F) @ Buginium Z
Ability: Swarm
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Quiver Dance
- Fire Blast
- Bug Buzz
- Hidden Power [Ground]

Rooster (Tapu Koko) @ Choice Specs
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Dazzling Gleam
- Hidden Power [Ice]
- Volt Switch

Princess Leia (Diancie-Mega) @ Diancite
Ability: Magic Bounce
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Diamond Storm
- Moonblast
- Hidden Power [Fire]
- Nature Power

Washtom (Rotom-Wash) @ Iapapa Berry
Ability: Levitate
EVs: 248 HP / 204 Def / 56 Spe
Bold Nature
IVs: 0 Atk
- Hydro Pump
- Volt Switch
- Defog
- Will-O-Wisp

Bovine (Tapu Bulu) @ Assault Vest
Ability: Grassy Surge
EVs: 248 HP / 60 Atk / 56 SpD / 144 Spe
Adamant Nature
- Horn Leech
- Wood Hammer
- Superpower
- Nature's Madness

Mando (Landorus-Therian) (M) @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Earthquake
- Stone Edge
- U-turn
- Stealth Rock