Mask of Memory, Dark Bargain, Daretti, Scrap Savant, and Neheb, Dreadhorde Champion continue the draw/discard combo, with the latter two providing some nice recursion and some mana to spend while burning through cards
In Fourth Edition , the symbol changed to this: If you look closely, you see that the symbol is a tilted Magic card with a curved arrow on the back of it
Needing to sacrifice an artifact is a hefty cost, but in white/black in particular, there should be plenty of fodder for you to cash in and get a really solid boost from
Later on in the game where a cheap small dork is weak and where an inability to block is far more relevant you at least have the option to make as a 1/1 which may sound awful but is correct surprisingly often and makes the card far far better than a straight 2/2 can't block would be
Most midrange decks can kill you before you do that if that is all you are doing
When more of these unique cards get spoiled, theyll definitely be worth paying attention to