Core.

Metagross @ Metagrossite
Ability: Clear Body
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Meteor Mash
- Zen Headbutt
- Hammer Arm
- Agility

Dugtrio @ Focus Sash
Ability: Arena Trap
EVs: 252 Atk / 4 SpA / 252 Spe
Hasty Nature
IVs: 21 HP / 0 Def / 0 SpD
- Earthquake
- Reversal
- Memento
- Stealth Rock

Talonflame @ Sharp Beak
Ability: Gale Wings
EVs: 88 HP / 252 Atk / 168 Spe
Jolly Nature
- Swords Dance
- Brave Bird
- Flare Blitz
- Roost

Latias (F) @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Roost
- Defog

Chesnaught @ Leftovers
Ability: Bulletproof
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Leech Seed
- Drain Punch
- Spikes
- Spiky Shield

Tyranitar @ Choice Scarf
Ability: Sand Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Crunch
- Stone Edge
- Superpower
- Pursuit