So far I'm 1-1 in this release sealed event (I asked you to stop me from wasting my money!)
I'm 2-0 in games where I resolved Akroan Conscriptor.
I'm 0-2 in games where my opponent resolved Akroan Conscriptor.
That thing is super obnoxious for an uncommon. It is literally the most important spell in your deck. If your opponent cannot immediately remove it, you're so far ahead it's not even funny.
EDIT: 1-2. Sometimes I forget how much I hate sealed. I respect it (and I have a lot of respect for players who can consistently succeed at it). But I hate it.
EDIT2: Theros was already a format with a lot of haymakers. My gut reaction from the spoiler was that Born of the Gods upped the ante in that department, specifically in the uncommons (there are some insane uncommons in the new set). Looking back at the paper pre-release, the triple BTG draft, and now this online pre-release, I think (and this is a very early impression of the format), that BTG is best in very small doses. It does a great job of spicing up Theros and adding some new twists to the established formulas. I think it's not well-balanced at all when you open multiple packs of it in a limited setting. My opinion could (and almost certainly will) change as time goes on, but that's my initial assessment of the set after having played some with it.
EDIT3: Finished 2-2. I'm not an expert at Sealed, but I'm pretty sure I played the best deck in my pool, and it was a WR aggro deck that had some really powerful and really awkward draws.
Stars of the event: Akroan Conscriptor, Akroan Phalanx.