Thanks platinum, wat about zoroark?
That reminds me: it's not as good as it used to be, due to Fairies. Greninja is a better alternative because of its incredible offensive pressure:
-Hydro Pump/Surf
-Ice Beam/Dark Pulse
-Extrasensory/Dark Pulse
-U-turn/Hidden Power (Grass/Fire)/Grass Knot
Nature: Naive/Timid
EVs: 4 Atk/252 SAtk/252 Spe
Item: Life Orb
Ability: Protean
or
-Spikes
-Hydro Pump
-Ice Beam
-Extrasensory/U-turn
Nature: Timid/Naive
EVs: 4 HP/252 SAtk/252 Spe
Item: Life Orb/Focus Sash
But if you want to keep Zoroark, use either of these sets:
-Swords Dance
-Sucker Punch
-Knock Off
-Low Kick
Nature: Jolly/Adamant
EVs: 4 HP/252 Atk/252 Spe
Item: Focus Sash
or
-Dark Pulse
-Flamethrower/Hidden Power (Ice)
-Focus Blast/Extrasensory
-Trick
Nature: Timid
EVs: 4 HP/252 SAtk/252 Spe
Item: Choice Specs
or
-Nasty Plot
-Dark Pulse
-Flamethrower
-Focus Blast
Nature: Timid
EVs: 4 HP/252 SAtk/252 Spe
Item: Life Orb/Focus Sash