K, lets begin this nu madness.
Ditto
![enter image description here](https://www.serebii.net/xy/pokemon/132.png)
Imposter is a must on ditto however, in my opinion focus sash isn't the best item for it also ev's and iv's don't matter since it will transform. so here's what i would do.
Ditto @ Leftovers
Ability: Imposter
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
- Transform
Use|Steal the power of one of their pokemon or disrupt their team.
Pros| You can disturb their team, you can take the power of their mega.
Cons| Its a risk since you could transform into a bad Pokemon.
Tips|Transform into their mega or another powerhouse.
Kecleon
![enter image description here](https://www.serebii.net/xy/pokemon/352.png)
protean makes for large coverage and power up punch can boost attack meaning it can deal a lot of damage so here it is.
Kecleon @ Lum Berry
Ability: Protean
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Power-Up Punch
- Shadow Sneak
- Knock Off
- Fire Punch
Use|To cause serious damage to the opponent and weaken there team with huge coverage. with defense against burn.
Pros|Large coverage, always stab, can deal decent damage, can take a decent hit.
Cons|Being burnt multiple times, tanky pokemon, faster sweepers.
tips|Set up with power up punch.
Rhydon
![enter image description here](https://www.serebii.net/xy/pokemon/112.png)
I must ask, why assault vest and not eviolite? eviolite is much better. It is a good attacker but the ev's could be improved.
Rhydon @ Eviolite
Ability: Rock Head
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Double-Edge
- Swords Dance
- Fire Punch
- Stone Edge
Use|To tank hits and deal big hits back.
Pros|Has large attack, good defense with eviolite, doesn't take recoil.
Cons|Knock off, water, grass.
Tips|Stay away from water and grass, set up.
Tauros
![enter image description here](https://www.serebii.net/xy/pokemon/128.png)
I must say you did good with this one, the item complements the ability, nature, ev's and moves very well and there would be no better choice.
Tauros (M) @ Life Orb
Ability: Sheer Force
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Return
- Rock Slide
- Zen Headbutt
- Iron Head
Use|To sweep the opponents team.
Pros|Great attack, fast, good move pool.
Cons|fighting types, steel types.
Tips|Use return as a last resort if other moves are not very effective.
Quagsire
![enter image description here](https://www.serebii.net/xy/pokemon/195.png)
Quagsire is a great pokemon and with unaware and those ev's, its a beastly tank that can stall all day.
Quagsire @ Leftovers
Ability: Unaware
EVs: 252 HP / 252 Def / 4 SpD
Calm Nature
- Scald
- Stockpile
- Toxic
- Recover
Use|A staller
Pros|Good bulk, can burn or toxic, recover, stockpile.
Cons|Grass, taunt.
Tips| set up, go for toxic first then start scalding\recovering\stockpiling.
Electivire
![enter image description here](https://www.serebii.net/xy/pokemon/466.png)
Expert belt is great since it is super effective against 624 pokemon with that move set. You can also swap into a electric move with motor drive to help sweep.
Electivire @ Expert Belt
Ability: Motor Drive
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Cross Chop
- Wild Charge
- Ice Punch
- Earthquake
Use| Sweeper.
Pros|Huge coverage, good speed for its tier, good power.
Cons|Wild charge recoil, burn.
Tips|Just attack.
Overall its a good nu team.