Revifify Tweak Idea: the spell’s Casting Time increases to either 1 minute or 10 minutes, but it can be cast as a ritual. You'll need to extend the 1-minute since death window, as that makes it impossible to actually affect a dead creature with a 1 min+ casting time.

— Dan Dillon 👥 (@Dan_Dillon_1) January 18, 2020