On the new patch (1.0.3.5) using Augury out of turn allows you to search the deck of the current characters turn (just like the precious patches. However, now it completely resets to the casters turn and during their new exploration phase all cards are invisible, even the villain.

Additionally, once the caster's turn reset they have unlimited movement which makes legendary difficulty a bit easier since you don't have to worry about eating movement on the caster.