i mean the gimmic of the artificer is that their spells are not exactly spells at all but instead some kind of clever invention that you use, and for this purpose the dragons breath spell is already an arcane thing but the thing it does is that for the next minute or until conce...
At 5th level you can get 2nd level spells and an extra attack. At 6th level you'd get expertise on tools and more importantly you get the cloak of elven kind infusion which is amazing for rogues even with you infiltrator stealth advantage. You would miss out on a couple sneak attack ...