Mega Steelix's Golden Triumph (DOU) V. 1.0

Steelix-Mega (M) @ Steelixite
Ability: Sand Force
Shiny: Yes
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Curse
- Gyro Ball
- Stomping Tantrum
- Protect

Tyranitar (F) @ Choice Band
Ability: Sand Stream
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Rock Slide
- Crunch
- Stone Edge
- Superpower

Tapu Fini @ Iapapa Berry
Ability: Misty Surge
EVs: 252 HP / 128 Def / 100 SpD / 28 Spe
Bold Nature
IVs: 0 Atk
- Muddy Water
- Moonblast
- Heal Pulse
- Protect

Hoopa-Unbound @ Misty Seed
Ability: Magician
EVs: 96 HP / 252 Atk / 144 Def / 16 SpA
Brave Nature
IVs: 0 Spe
- Trick Room
- Hyperspace Hole
- Hyperspace Fury
- Protect

Zapdos @ Misty Seed
Ability: Static
EVs: 244 HP / 136 Def / 80 SpD / 48 Spe
Bold Nature
IVs: 0 Atk
- Thunderbolt
- Hidden Power [Ice]
- Roost
- Tailwind

Zygarde @ Groundium Z
Ability: Aura Break
EVs: 80 HP / 252 Atk / 176 Spe
Adamant Nature
- Dragon Dance
- Thousand Arrows
- Extreme Speed
- Protect