Delthorns cursed

Any food or drink you have seen, and know where it is that is with in range you can turn poisonous. If a creature eats or drink the cursed food have to make a constitution saving throw. On a failed save they take 4d6 poison damage or half that on a successful save. On a failed save the creature also has disadvantage on wisdom, intelligence, constitution and charisma saving throws for 1 minutes.