If you have any breeding projects going on, I'd just keep it in your party as you zoom around waiting for eggs to appear/hatch.
Also, I believe using items on it raises friendship. Like vitamins and EV berries.
Welcome to TBT :D
I saw that you have the Ocean pattern as your native Vivillon pattern. I'm trying to a get a Scatterbug egg of each pattern. Is there anything you'd be interested in other than the rarer Vivillon patterns?
It's not an official rule, but I'd say most people add the following:
--All Pokemon must be nicknamed
I like them because they often force you to use Pokemon that you would otherwise steer clear of. For example, I hated the Conkeldurr line until I got a Timburr in a Nuzlocke run of White...
The ability to create zones. By that I mean, you could designate a part of the map to be a residential zone. Residents can choose where to put their house within that zone, but they won't be able to put their house outside of it. I think of it as a happy medium between total control and...
Not really. If done correctly, EV training can go really quickly using hordes: http://www.smogon.com/forums/threads/a-guide-to-ev-training-with-hordes.3490052/
Now, I will say (and this is just personal preference) that I prefer level grinding over the Day Care. It feels more personal to me...
EV training would fix that (either by using hordes or Super Training).
Also, old attacks do get replaced by newer ones as a Pokemon levels up in the Daycare. I put in two level 8 Ralts that had Growl and Confusion and when I got them back (both at level 38) they knew Psychic and 3 other...