Looks like Nathan Fillion's the bad guy. :) I'm excited!
In my panic over the loss of the Tarot deck, I snatched up all the existing pictures from the interwebs that I could find.
The High Priestess
Wheel of Fortune
Not sure about this one...it's either Judgement or The World, but I think Judgement is more likely, since it's the first slayer hovering over the seal, and a lot of judgement was passed over the creation of the slayer. Not only that, but the seal is what ultimately ended Sunnydale.
I'm going to keep an eye out on the off chance any of the other card images get released.