Yea. It's become inactive lately, though. I;m going to try and find a way to fix that... You'll notice that pretty much all of its members are experienced in the BF. IIRC, almost all of us have broken 100.
It's basically a Social Group for people to design "Tier Lists" for the Battle Frontier. Similar to the ones used competitively, but the Pokémon in the lists will be very different. It can be found here. However, you cannot join unless you have been recognised as one of Serebii's best In-Gamers.
If I did that, I'd have to have Shuckle start the battle, and Power Trick on turn 1. If not, it'll power Trick first, and get KOed before it can attack. But I might try it. That'll leave me without Sandstorm to start, though.