Mega Salamence

Alduin (Salamence) (M) @ Salamencite
Ability: Intimidate
Shiny: Yes
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Earthquake
- Return
- Roost

Dialga @ Adamant Orb
Ability: Pressure
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
- Draco Meteor
- Flash Cannon
- Fire Blast
- Thunder

Groudon @ Red Orb
Ability: Drought
Shiny: Yes
EVs: 248 HP / 44 Def / 184 SpD / 32 Spe
Adamant Nature
- Stealth Rock
- Roar
- Fire Punch
- Earthquake

Susej (Arceus-Ghost) @ Spooky Plate
Ability: Multitype
Shiny: Yes
EVs: 252 Atk / 252 Spe
Jolly Nature
- Swords Dance
- Shadow Force
- Shadow Claw
- Brick Break

Xerneas @ Power Herb
Ability: Fairy Aura
Shiny: Yes
EVs: 184 HP / 28 Def / 252 SpA / 44 Spe
Timid Nature
- Geomancy
- Moonblast
- Hidden Power [Ground]
- Thunder

Pimp Chain (Klefki) (F) @ Leftovers
Ability: Prankster
Shiny: Yes
EVs: 248 HP / 8 Atk / 252 SpD
Careful Nature
- Spikes
- Thunder Wave
- Toxic
- Play Rough