Z mirror move koko :]

Tapu Koko @ Flyinium Z
Ability: Electric Surge
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brave Bird
- Wild Charge
- Mirror Move
- U-turn

Zygarde @ Figy Berry
Ability: Aura Break
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Dance
- Thousand Arrows
- Extreme Speed
- Iron Tail

Tapu Bulu @ Choice Band
Ability: Grassy Surge
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Wood Hammer
- Horn Leech
- Megahorn
- Stone Edge

Magearna @ Choice Specs
Ability: Soul-Heart
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Flash Cannon
- Fleur Cannon
- Focus Blast
- Ice Beam

Volcarona @ Leftovers
Ability: Flame Body
EVs: 252 HP / 204 Def / 52 Spe
Bold Nature
IVs: 0 Atk
- Quiver Dance
- Fiery Dance
- Giga Drain
- Roost

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