I'm mostly looking for shinies now. Shiny charm has helped a little but I'm not sure if it was worth the hassle of collecting all 700+ pokemon. The egg thing you get for completing the 150-something Kalos pokedex is worth it though.
What're your teams? My current team is-
Kyogre because I love it, caught it many years ago. It has surf, ice beam, water spout, and thunder and is an excellent E4 killer in almost any game.
Lapras because it's another favorite and is another great E4 killer because its moves are so similar to Kyogre's. It has surf, thunderbolt, psychic, and ice beam.
Jumpluff because once again, it's a favorite pokemon. Have been farming Hoppip hordes for a while to get a nice pink one but have had no luck. I use it to catch pokemon; it has cotton spore (3 cotton spores pretty much guarantee a catch against weaker pokemon), fairy wind for chipping away HP without causing faints, poison powder, and sleep powder.
A level 13 Togekiss I'm raising so the moves aren't good yet but the nature and EV's are perfect. Thank god for super training and everstones with breeding.
A Bibarel I use as an HM slave and sometimes meat shield. Sorry Bibarel.
And a Chansey (Chansey is my favorite pokemon) with max HP EV's, defense EV's, bold nature, and eviolite to take hits like a champ. Movelist is double-edge, refresh, soft-boiled, and toxic. Walling with toxic on the opponent makes me laugh.
I have a Sawsbuck (spring with the pretty flowers) I use sometimes with 5 IVs, jolly nature, and max attack and speed IVs. It has feint attack, horn leech, jump kick, and aromatherapy.