"Troll shroud" as a keyword!
Bloodthrist is back...
...with style
New wording - "dies" rather than "goes to the graveyard from play".
Sorin Makrov, flameblast dragon and giant spider are also back - Sorin with the wording "take control of target player on that player's next turn" on his mindslaver ultimate.
Rumors about gidion being reprinted, however this could be to do with the new Duels of the planeswalkers game (as he features in its intro page it appears).