mega altaria

Altaria @ Altarianite
Ability: Natural Cure
Happiness: 0
EVs: 248 HP / 136 Def / 96 SpD / 28 Spe
Impish Nature
- Dragon Dance
- Roost
- Frustration
- Substitute

Magnezone @ Choice Scarf
Ability: Magnet Pull
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hidden Power [Fire]
- Thunderbolt
- Volt Switch
- Flash Cannon

Latios (M) @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Psyshock
- Draco Meteor
- Roost
- Defog

Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 248 HP / 252 Def / 4 SpD
Impish Nature
- Stealth Rock
- Stone Edge
- Earthquake
- U-turn

Klefki @ Leftovers
Ability: Prankster
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Spikes
- Thunder Wave
- Foul Play
- Fairy Lock

Azumarill @ Assault Vest
Ability: Huge Power
EVs: 240 HP / 252 Atk / 16 SpD
Adamant Nature
- Play Rough
- Aqua Jet
- Waterfall
- Knock Off