Circus Curse

Incorporeal Movement. The specter can move through other creatures and objects as if they were difficult terrain.

Sunlight Sensitivity. While in sunlight, the specter has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Life Drain. Melee Action: reach 0 ft., one creature. The target must succeed on a DC 10 Wisdom saving throw or the creature will start to turn into a Stone Cursed. After a failed Wisdom saving throws, the creature is considered to be Stone Cursed. This creature is then under the control of the Circus Curse until it succeeds on a Wisdom saving throw. 

Chill Touch. Ranged Spell Attack: reach 120ft., one creature. Hit: 10 (1d4) necrotic damage. 

You create a ghostly, skeletal hand in the space of a creature within range. Make a ranged spell attack against the creature to assail it with the chill of the grave. On a hit, the target takes 1d4 necrotic damage, and it can't regain hit points until the start of your next turn. Until then, the hand clings to the target.

If you hit an undead target, it also has disadvantage on attack rolls against you until the end of your next turn.