These are the three that i'm looking at. I considered Dragonite and Salamence but Garchomp outclasses them so yeah.
Here are the movesets:
Metagross @ Life Orb
Nature: Admadant
Ability: Clear Body
- Meteor Mash
- Bullet Punch
- Earthquake
- Zen Headbutt
Tyranitar @ Life Orb
Nature: Jolly
Ability: Sand Stream
- Stone Edge
- Earthquake
- Crunch
- Dragon Dance
Garchomp @
Nature: Jolly
Ability: Sand Veil
- Outrage
- Earthquake
- Stone Edge
- Dragon Claw
Here are the movesets:
Metagross @ Life Orb
Nature: Admadant
Ability: Clear Body
- Meteor Mash
- Bullet Punch
- Earthquake
- Zen Headbutt
Tyranitar @ Life Orb
Nature: Jolly
Ability: Sand Stream
- Stone Edge
- Earthquake
- Crunch
- Dragon Dance
Garchomp @
Nature: Jolly
Ability: Sand Veil
- Outrage
- Earthquake
- Stone Edge
- Dragon Claw