Just completed Pokémon Moon with this team…

[Shahdow]

Decidueye @ Decidium Z
Ability: Overgrow
Level: 67
Hasty Nature (+Spe -Def)
- False Swipe
- Leaf Blade
- Spirit Shackle
- Brave Bird

Magnezone @ Eviolite
Ability: Sturdy
Level: 61
Lax Nature (+Def -SpD)
- Tri Attack
- Thunder Wave
- Discharge
- Flash Cannon

Gyarados @ Mystic Water
Ability: Intimidate
Level: 65
Adamant Nature (+Atk -SpA)
- Dragon Dance
- Aqua Tail
- Crunch
- Ice Fang

Greninja
Ability: Battle Bond
Level: 65
Naive Nature (+Spe -SpD)
- Water Shuriken
- Ice Beam
- Extrasensory
- Night Slash

Incineroar @ Charcoal
Ability: Blaze
Level: 66
Naughty Nature (+Atk -SpD)
- Cross Chop
- Darkest Lariat
- Flare Blitz
- Outrage

E.N.D (Kommo-o) @ Quick Claw
Ability: Soundproof
Level: 61
Brave Nature (+Atk -Spe)
- Earthquake
- Dragon Claw
- Sky Uppercut
- Clanging Scales

I got the Adamant Magikarp (Gyarados) from Wonder Trade, Incineroar and E.N.D (Kommo-o) from GTS, and Greninja transfered over from the demo, which is why they're higher level than Magnezone, despite having it way longer…