I originally posted this in 2017, and was ignorant to the fact that there was a separate thread for Alolan forms. This had a vote on it so I figured someone liked it, so I'm reposting it.
Fur Coat makes for some excellent opportunity to set up a Special attacker and in my opinion, Alolan Persian gets overlooked a lot. Unfortunately for physical variants, the setup is weaker. But I've thought of a gimmick set that might work for a physical one, though not the most popular.
Let's start with the more useful one.
Bae (Persian-Alola) @ Darkinium Z
Ability: Fur Coat
EVs: 252 SpA / 252 Spe / 4 Def
IVs: 0 Atk
- Nasty Plot
- Dark Pulse
- Power Gem
When Gen 7 was new, I got away with running this in OU for a little while. Its movepool isn't great, but with Power Gem being buffed a little from years back, it has a little bit of viability and can cover your Bug problems. As long as your opponent doesn't have major setup or item boosts completed, Fur Coat should help you get a Nasty Plot pulled off. So, the earlier you use it, the better. Dark Pulse makes for decent STAB, and Darkinium for when you need industrial-strength, and Thunderbolt is Water coverage (an abundant type, right?). It's fast, so as long as you're not up against a Scarfed Bug or Fighting special attacker, you'll be fine. Be careful of Focus Blast! (Edit: nowadays in Gen 8 you see Aura Sphere more with the rise of its TR so there's that too)
Bae (Persian-Alola) @ Choice Band
EVs: 252 Atk / 4 SpD / 252 Spe
- Gunk Shot
- Aerial Ace
Now this one is much less effective in real competitive, but if you think you're good enough that you can afford to run this trollish set (because it gets Bite lol) then go for it. It doesn't have Fur Coat this time, so not as much you can do here. But it has the potential to do something. Bite is now 135 power thanks to newly-found STAB, and has the flinching power of Iron Head. Gunk Shot is important Fairy coverage, and overall a strong move. Aerial Ace is the same, but actually gets that Technician benefit in addition to being important coverage. U-Turn is an emergency switchout panic button.
Now, if there's nothing more you'll get from this mediocre set, at least know that it gets coverage of its Bug and Fighting weaknesses (though it may not do enough). I recommend the Special one for the more serious player.