Steel.

Skarmory @ Leftovers
Ability: Sturdy
Shiny: Yes
EVs: 252 HP / 232 Def / 24 Spe
Impish Nature
- Stealth Rock
- Whirlwind
- Brave Bird
- Roost

Heatran @ Leftovers
Ability: Flash Fire
Shiny: Yes
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Lava Plume
- Stealth Rock
- Earth Power
- Toxic

Scizor @ Scizorite
Ability: Technician
Shiny: Yes
EVs: 252 HP / 126 Atk / 126 Def / 4 SpD
Serious Nature
- Swords Dance
- Bullet Punch
- Bug Bite
- Roost

Jirachi @ Choice Scarf
Ability: Serene Grace
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Ice Punch
- Iron Head
- Fire Punch
- U-turn

Empoleon @ Life Orb
Ability: Torrent
Shiny: Yes
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
- Hydro Pump
- Ice Beam
- Flash Cannon
- Grass Knot

Ferrothorn @ Rocky Helmet
Ability: Iron Barbs
Shiny: Yes
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Spikes
- Leech Seed
- Power Whip
- Thunder Wave