Pete offense

Pete (Scolipede) (M) @ Life Orb
Ability: Speed Boost
Shiny: Yes
EVs: 56 HP / 252 Atk / 200 Spe
Adamant Nature
- Megahorn
- Poison Jab
- Aqua Tail
- Protect

Tyranitar @ Smooth Rock
Ability: Sand Stream
EVs: 248 HP / 8 Atk / 252 SpD
Serious Nature
- Stealth Rock
- Stone Edge
- Pursuit
- Crunch

Excadrill @ Air Balloon
Ability: Sand Rush
EVs: 252 Atk / 252 Spe
Adamant Nature
- Earthquake
- Rapid Spin
- Iron Head
- Rock Slide

Latias @ Life Orb
Ability: Levitate
EVs: 72 HP / 184 SpA / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Hidden Power [Fire]
- Healing Wish

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

Pidgeot-Mega @ Pidgeotite
Ability: No Guard
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Hurricane
- Heat Wave
- Roost
- U-turn