[OU] Mega Pinsir sand offense

Tyranitar (F) @ Chople Berry
Ability: Sand Stream
EVs: 248 HP / 80 Def / 180 SpD
Impish Nature
- Rock Slide
- Pursuit
- Thunder Wave
- Stealth Rock

Ferrothorn (M) @ Chople Berry
Ability: Iron Barbs
EVs: 252 HP / 88 Def / 168 SpD
Relaxed Nature
IVs: 0 Spe
- Gyro Ball
- Power Whip
- Thunder Wave
- Spikes

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

Latias @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Thunderbolt
- Roost
- Healing Wish

Excadrill (M) @ Life Orb
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Iron Head
- Rock Slide
- Rapid Spin

Pinsir-Mega (M) @ Pinsirite
Ability: Hyper Cutter
Shiny: Yes
Happiness: 0
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Frustration
- Quick Attack
- Close Combat
- Swords Dance