[quote=Krein]
The Battle Institute and Battle Maison in Pokemon Y is soooo cheating, I swear -_-...
[/quote]

Mega Gardevoir with helping hand partner using hyper voice. GG anything that doesn't resist it outright. Use Mega Mawile with some baton pass support for the singles. Thats what I do. Triples is even better for mega gardy as you can also set up spikes or stealth rock while mega gardy blasts their team, stopping focus sash/sturdy from doing anything.

I'm not sure when I should post, since not much has moved where my charters are. If I do, it'll be a short post.