Venomous Raga

A puddle of poison appears and is sprayed. Each creature in a 10-foot-radius sphere centered on that point must make a Constitution saving throw. A creature takes 3d8 Poison damage on a failed save and is poisoned a poisoned creature takes 2d6 damge each round and must make a constitution saving throw at the start of its turn to not be poisoned, or half as much damage on and  not be  poisoned on a successful save.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d8 for each slot level above 2nd.