[OU] Mega Scizor + 3atks Roost Latios

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 172 Def / 84 SpD
Calm Nature
- Stealth Rock
- Moonblast
- Thunder Wave
- Soft-Boiled

Tyranitar @ Choice Band
Ability: Sand Stream
EVs: 100 HP / 252 Atk / 156 Spe
Adamant Nature
- Stone Edge
- Crunch
- Superpower
- Pursuit

Scizor @ Scizorite
Ability: Technician
EVs: 240 HP / 48 Atk / 140 Def / 80 SpD
Impish Nature
- Roost
- Swords Dance
- Knock Off
- Bullet Punch

Landorus-Therian @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Earthquake
- Stone Edge
- Explosion
- U-turn

Latios @ Life Orb
Ability: Levitate
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk / 30 SpA / 30 Spe
- Draco Meteor
- Roost
- Hidden Power [Fire]
- Surf

Keldeo-Resolute @ Choice Specs
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Focus Blast
- Secret Sword
- Scald
- Hydro Pump