Decursive and the like were much more usefull in they days of multipul debuff clensing abilitys. Back then they would autocast the correct spell to match the debuff. Most usefull thing about it these days is the debuff displaying on raid frames (afaik not using it since vanilla wow). If ToR's frames do that then there's no need for that type of addon.
Gearscore addons, impale yourself on a lightsaber, then set yourself on fire for even mentioning those abominations here. Please