Their abilities come from a divine getting that provides them access to the Cleric’s spell list. Players might find it hard to play given that they have to select 15 spells from 2 very different spell lists. The Armorer 5e subclass has lots to supply, starting with major armor proficiency. https://dnd-gith69468.bloggazza.com/27619479/silver-dragonborn-wizard-no-further-a-mystery