So, lets go through this list, starting with the cards I cant imagine getting banned and working up to the ones that will most likely be gone within the next month or two
First, it weakens all of your opponents creatures, which is a disgusting, mean, dirty tactic no matter how you look at it
A lot of players new to the strategy get tunnel vision looking at creatures like Solitude, Reveillark, and Peregrine Drake and overlook the smaller ones that generate huge amounts of value in the long run
Uncommon 100 Vicious Betrayal Common 101 Dr
Costing double blue is a good thing too, and I expect people will consider it in devotion decks
The panel mentioned that there are additional ways that this can be obtained, but the exact details haven't been revealed yet