
On first glance, Gallade doesn't seem to have much going for it. His fighting type brothers, Mienshao, Heracross and Scrafty, all have things going for them-while Gallade only has a small movepool advantage and good special bulk.
However, if you take a closer look, then you will find something that none of these fighters can do-in fact, nothing in UU can do. Gallade breaks through every single Pokemon in the tier with Stealth Rocks at +2 with a moveset of Swords Dance / Night Slash / Close Combat / Ice Punch.
Gallade (M) @ Lum Berry
Trait: Justified
EVs: 252 Atk / 164 Spd / 92 HP
Jolly Nature
- Swords Dance
- Close Combat
- Ice Punch
- Night Slash
This is the set that I am using at the moment, and it is basically impossible to switch into. 164 Spe evs and a Jolly nature means it outspeeds Modest Specs Chandelure, and 252 Att gives him a massive punch. A Lum Berry is useful I find to allow him to take Scald's comfortably, and destroy Cofagrigus with ease(Shadow Ball doesn't 1HKO Gallade, while Night Slash is a 2HKO). Close Combat is the STAB move of choice, doing huge damage to even resists after SR and at +2. Ice Punch nails Gligar, Nidoqueen and Zapdos for super-effective damage, 2HKOing all of them at the least(offensive Zappy is 1HKO'd). Night Slash hits Cofagrigus(one of the main advantages he has over SD Heracross) and Slowbro for big damage too-2HKOing both easily.
This set has basically 1 counter-Qwilfish, since Weezing is not really viable and sucks. If you prefer the extra power, Life Orb is an option over Lum Berry, although he will die faster. Lefties is also a good option, increasing his lifespan greatly in some cases.