A War Cleric makes the most thematic sense provided the background with the Warforged species, but there’s a wide range of practical subclasses that give a Warforged Cleric significant flexibility. This text linked to an Italian film on the fifties is a stub. You may help Wikipedia by growing it. https://tritondnd04691.ziblogs.com/27848559/5-essential-elements-for-warforged-race