Aura Team #8 (edited)

Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 4 Def / 252 SpA / 252 Spe
Naive Nature
- Endeavor
- Substitute
- Diamond Storm
- Moonblast

Magearna @ Aguav Berry
Ability: Soul-Heart
EVs: 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Shift Gear
- Ice Beam
- Thunderbolt

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

Skarmory @ Shed Shell
Ability: Sturdy
EVs: 248 HP / 252 Def / 8 SpD
Impish Nature
- Roost
- Defog
- Spikes
- Brave Bird

Volcarona @ Psychium Z
Ability: Flame Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Bug Buzz
- Psychic
- Fiery Dance
- Quiver Dance

Greninja @ Choice Scarf
Ability: Protean
EVs: 176 Atk / 80 SpA / 252 Spe
Naive Nature
- Rock Slide
- U-turn
- Ice Beam
- Gunk Shot