Looking forward to later phases, I think it’s a good idea to take an early look at Divine Shield.
Rank 2 of Divine Shield provides 12sec of immunity, with the downside that your attack speed is increased by 100%. In my opinion, the immunity is balanced around the classic wow playstyle of paladins (auto and afk). Now that Paladins have been given a number of instant attacks, there’s a very real chance that they’re going to be able to global people within this window of immunity with almost no way to outplay it.
For example, lets say they can swing 2 autos, 2 Crusader Strike’s, 1 Divine Storm and 1 Exorcism/Avenger’s Shield within the window. With the added seal damage and chances to crit we could potentially be looking at 3.5k+ damage in basic level 60 pre raid gear all whilst immune to all damage and cc.
Those that have played on a particular private server will probably be all to familiar with this problem. I won’t pretend to know all the answers, but a ‘tested’ solution was to reduce all damage by 50% whilst under the effect of Divine Shield.