I guess the DS free heal is better than nothing. But the game maker here is really this

http://wowtal.com/#k=ff3.a7t.paladin.

Look at retribution's "Art of Sacrifice" Talent.

"You cleanse will remove one movement impairing effect if cast on yourself"

If I am not mistaken, this would remove nova/earthbind root etc. As they count as "movement impairing effect"