Did 3 arena runs yesterday:
First run a mage deck, no fireballs, no poly, no flamestrike.. jack shit. went 1-3. Pack had a legendary (VanCleef) and 2 rares in it, so that was niiice.
Second run a pala deck with 3 consecrations, 1 truesilver and a ton of epics/rares, no legendaries though...