So I was imagining a draconic sorcerer with a black dragon heritage (green for RP, black for all the mechanical gamey bits) however there aren't too many acid spells available to sorcerers, to my knowledge only 3 if you include Chromatic Orb and Elemental Evil pdf, not to mention that the best blast spells are fire. Would it be overpowered to retool scorching ray to deal acid damage instead of fire? What about Firebolt and Fireball? I'm a forever player so I don't quite have the system mastery of some DM's, hence why I'm curious if this character concept could be pulled off without being gimped. Thank you to all who help me figure this out!