Ghoul Touch

2nd-level Necromancy
Casting Time: 1 action
Range: Touch
Components: VS
Duration: Instantaneous

You imbue your hand with the chill of the grave. Make a melee spell attack. On a hit, the target takes 3d6 + your spellcasting ability modifier shadow damage and makes a Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of of each of its turns, ending the effect on itself on a success.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage of this spell increases by 1d6 for each slot above 2nd level.

Source: Homebrew