OU Altaria

Altaria-Mega @ Altarianite
Ability: Pixilate
Happiness: 0
EVs: 252 HP / 100 Def / 156 Spe
Impish Nature
- Dragon Dance
- Frustration
- Roost
- Earthquake

Mandibuzz (F) @ Leftovers
Ability: Overcoat
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Defog
- Roost
- Toxic
- Knock Off

Jirachi @ Leftovers
Ability: Serene Grace
EVs: 252 HP / 224 SpD / 32 Spe
Careful Nature
- Wish
- Protect
- Iron Head
- Thunder Wave

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 4 Atk / 88 Def / 164 SpD
Impish Nature
- Power Whip
- Leech Seed
- Protect
- Stealth Rock

Terrakion @ Expert Belt
Ability: Justified
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Stone Edge
- Swords Dance
- Substitute

Latios (M) @ Choice Specs
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Thunderbolt
- Trick