Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 80 Def / 180 SpD  
Impish Nature  
- Stealth Rock  
- Leech Seed  
- Knock Off  
- Power Whip  

Froslass (F) @ Heavy-Duty Boots  
Ability: Cursed Body  
EVs: 248 HP / 204 Def / 56 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Will-O-Wisp  
- Pain Split  
- Hex  

Flygon @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Dragon Claw  
- Roost  
- Defog  
- U-turn  

Floatzel @ Choice Band  
Ability: Water Veil  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wave Crash  
- Aqua Jet  
- Flip Turn  
- Ice Spinner  

Fezandipiti (M) @ Heavy-Duty Boots  
Ability: Toxic Chain  
EVs: 248 HP / 232 Def / 16 SpD / 12 Spe  
Bold Nature  
- Beat Up  
- Heat Wave  
- Roost  
- U-turn  

Flamigo @ Choice Scarf  
Ability: Scrappy  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Close Combat  
- Brave Bird  
- Throat Chop  
- U-turn