Sting

Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 4 (1d4 + 2) piercing damage and the target must succeed on a DC 11 Constitution saving throw or become poisoned. At the end of its next turn it repeats the saving throw. On a success the effect ends. On a failure it falls unconscious for 1 hour. If it takes damage or a creature uses an action to shake it awake it wakes up and the effect ends.

Telepathic Static (3/Day)

The pseudodragon targets one creature it can see within 10 feet forcing it to make a DC 11 Charisma saving throw. On a failure its stunned until the end of its next turn as it suffers a barrage of telepathic imagery.