If ur looking at this, i used this for dodrio cup

Xerneas @ Power Herb
Ability: Fairy Aura
Level: 50
EVs: 84 HP / 252 SpA / 172 Spe
Modest Nature
IVs: 0 Atk
- Geomancy
- Moonblast
- Dazzling Gleam
- Protect

Whimsicott @ Focus Sash
Ability: Prankster
Level: 50
EVs: 244 HP / 4 SpD / 252 Spe
Timid Nature
- Safeguard
- Taunt
- Tailwind
- Beat Up

Smeargle @ Wide Lens
Ability: Moody
Level: 50
EVs: 244 HP / 12 Atk / 252 Spe
Jolly Nature
- Dark Void
- Crafty Shield
- Spiky Shield
- Fake Out

Terrakion @ Life Orb
Ability: Justified
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Rock Slide
- Close Combat
- Earthquake
- Protect

Rayquaza-Mega @ Sharp Beak
Ability: Delta Stream
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Dragon Ascent
- Extreme Speed
- Swords Dance
- Protect

Hydreigon @ Choice Specs
Ability: Levitate
Level: 50
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Draco Meteor
- Dark Pulse
- Earth Power
- Fire Blast