BiB is recommending that I select 3 * Word of Mending, but I was under the impression that the cool down reduction does not stack. Is it that the heal increase on Prayer of Mending is that worthwhile?
The cooldown reduction does not stack. You have pretty limited options here… so that is why it ends up getting picked. The sanctuary trait is pretty weak in mythic+ setting and permeating glow is a joke. Promise of Deliverance has very little value after getting one. So really you’re kind of stuck here with not much to choose from.