Wizards have unveiled a few cards from Avacyn Restored at the PAX East panel.
First up is Silverblade Paladin, a Human Knight with the new mechanic Soulbond:
White is set to be the colour with the most emphasis in this set as its all about the Humans fighting back against the forces of the night. With Avacyn's return, angels are instilled with new valour and will feature heavily:
Of course Demons are still present on Innistrad:
Demonlord of Ashmouth also reveals that the Undying mechanic from Dark Ascension will appear in the set.
Another new mechanic previewed is Miracle.
That's all for now but stay tuned to the daily mtg site as 'official' previews begin tomorrow.
The biggest preview of the day however; was this:
After months of speculation it appears that Ravnica will be the large block release for October when Scars of Mirrodin rotates out of Standard.
John of Team Gambit