Elizabeth's Green Flame

A green alchemical flame, profane in nature, engulfs a target of your choice. The targeted creature must make a DEX saving throw. On a failed DEX save, the creature suffers 2d6 starting fire damage and catches fire, taking 1d6 fire damage every turn after that. On a successful save, the creature takes half the damage and does not catch fire. This effect lasts until it either dies or uses its action to smother it.

On Upcast: Add 1d6 to starting damage for every level spent above 1st.