And for the AD aura - I'm really not sure why it wouldn't work for you (or spews errors) but works absolutely fine for me. Maybe it's got something to do with how WA functions with ElvUI, haven't been able to duplicate it past the first day of patch. ~ Youtube ~ Twitch ~...
He is using his action bar addon to have 1 single button that houses only Soul Swap. The aura in my post that I linked is the "next best thing" if you aren't using a separate addon for you action bar. ~ Youtube ~ Twitch ~ Twitter ~ Warlock Weak Auras ~ Lock One Stop Shop ~...