It's easily a luck format. I ran Magnerock at WI regs and played a terrible Luxchomp list, started with 4 nrg, Ebelt, Regirock, and something else and got T3 donked by Garchomp because I couldn't topdeck one of my 13 cards in my deck to get a basic, or one of my other 12 basics...Even worse, in the game before I had an Engineer, used it, and STILL couldn't get anything besides a tomb. At least BW rules will make it even more of a luck format.
On topic, 8 rounds is siiiiiiiiick. I wish Seniors could have that many rounds at regs...
Wish I could've been there btw.