Mega Scizor

Scizor @ Scizorite
Ability: Light Metal
EVs: 248 HP / 16 Atk / 60 Def / 124 SpD / 60 Spe
Adamant Nature
- Swords Dance
- Roost
- Bullet Punch
- Bug Bite

Amoonguss @ Black Sludge
Ability: Regenerator
EVs: 248 HP / 168 Def / 92 SpD
Bold Nature
- Spore
- Giga Drain
- Clear Smog
- Hidden Power [Fire]

Tyranitar @ Choice Band
Ability: Sand Stream
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Crunch
- Pursuit
- Earthquake
- Stone Edge

Keldeo @ Choice Scarf
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Scald
- Hydro Pump
- Secret Sword
- Icy Wind

Tornadus-Therian @ Assault Vest
Ability: Regenerator
EVs: 96 HP / 160 SpA / 252 Spe
Hasty Nature
- Hurricane
- Heat Wave
- U-turn
- Knock Off

Latias @ Life Orb
Ability: Levitate
EVs: 72 HP / 184 SpA / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Healing Wish
- Defog