D&D 5E Artificer Alchemist Character Build - 2019 Unearthed Arcana Revised - YouTube
5e - Revised Artificer v1.3 - Cannonsmith, Gadgetsmith, Runesmith (Warforged Servant), Warsmith (Mechplate), Wandsmith, plus a bonus Alchemist Specialization in the comments. : r/UnearthedArcana