>>51518698Here, I'll try to fix up your team. Can't do much with some of these mons but if you're set on using these guys, then try these sets.
Drapion @ Icicle Plate
Ability: Battle Armor
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Crunch
- Cross Poison
- Ice Fang
Vespiquen (F) @ Leftovers
Ability: Pressure
EVs: 248 HP / 8 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Toxic
- Double Team
- Roost
- Substitute
Chimecho @ Light Clay
Ability: Levitate
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Reflect
- Light Screen
- Thunder Wave
- Psychic
Lopunny @ Figy Berry
Ability: Cute Charm
EVs: 252 HP / 4 Def / 252 Spe
Impish Nature
- Agility
- Work Up
- Baton Pass
- Facade
Floatzel @ Choice Specs
Ability: Swift Swim
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Ice Beam
- Hydro Pump
- Focus Blast
- Scald
Infernape @ Expert Belt
Ability: Blaze
- Close Combat
- Flare Blitz
- Mach Punch
- Stone Edge
The biggest issue with your team is that you don't have a solid Garchomp counter, so I gave Drapion ice fang with a ice plate, if that doesn't work then toxic cheese should be a nice back up.