Metagross @ Choice Band 
Ability: Technician 
EVs: 12 HP / 252 Atk / 244 Spe 
Adamant Nature 
- Bullet Punch 
- Ice Punch 
- Stomping Tantrum 
- Meteor Mash 

Other Options: Agility, Thunder Punch, Brick Break, Explosion, Power-Up Punch, Rock Slide, Zen Headbutt, Pursuit, Stealth Rock (beats Jirachi and Chansey quite easily), Trick