Unsneezable

When cast, Target must succeed on a Constitution saving throw or become cursed. Until the curse ends, the target suffers from the Paralyzed effect.

• The target has Disadvantage on saving throws made until either Dispelled or succeeds on saving throw.
• In combat, the target must succeed on a Constitution saving throw at the start of each of its turns or be forced to take no action on that turn.
• If you deal damage to the target with an attack roll or a spell, the target takes an extra 1d4 Necrotic damage.

Using a Higher-Level Spell Slot. If you cast this spell using a level 4 spell slot, add an additional 1d4 Necrotic damage die. From there on, per level of Character (the player), add an additional 1d4 necrotic damage.