Ray of Sickness

Level: 1

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.

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

Source: PHB, page 271