Ray of Sickness

D&D 2014 spell: Ray of Sickness. Source: Player's Handbook (2014). level 1, school Necromancy, casting time 1 action, range 60 feet, duration Instantaneous

A ray of sickening greenish energy lashes out toward a creature within range. Make a ranged spell attack against the target. On a hit, the target takes 2d8 poison damage and must make a Constitution saving throw. On a failed save, it is also poisoned until the end of your next turn.

At Higher Levels

At Higher Levels When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 2d8 for each slot level above 1st.

Source: Player's Handbook (2014), p. 271 - Licenses and attribution