BH Team

Rayquaza-Mega @ Assault Vest
Ability: Contrary
EVs: 128 Atk / 128 SpA / 252 Spe
Naive Nature
- Draco Meteor
- Dragon Ascent
- V-create
- Superpower

Mewtwo-Mega-X @ Flame Orb
Ability: Guts
EVs: 252 HP / 252 Atk
Adamant Nature
- Zen Headbutt
- Drain Punch
- Facade
- Protect

Chansey @ Eviolite
Ability: Imposter
EVs: 252 HP / 252 SpD
- Aromatherapy
- Blizzard
- Body Slam
- Brick Break

Aggron-Mega @ Iron Ball
Ability: Fur Coat
EVs: 252 HP / 252 Atk / 4 Def
Brave Nature
IVs: 0 Spe
- Gyro Ball
- Precipice Blades
- Rest
- Sleep Talk

Latios-Mega @ Soul Dew
Ability: Simple
EVs: 4 HP / 252 SpA / 252 Spe
Modest Nature
- Spacial Rend
- Psystrike
- Quiver Dance
- Roost

Hoopa-Unbound @ Leftovers
Ability: Simple
EVs: 252 Atk / 252 SpA
Serious Nature
- Hyperspace Fury
- Zen Headbutt
- Protect
- Quiver Dance