Dragon Curse

You impose an ancient signet that was created to hunt dragons. Choose one creature that you can see within range to make a Wisdom saving throw. If it fails, the target takes 4d6 necrotic damage and the target is afflicted with dragonblight for 1 minute.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, you can target one additional creature for each slot level above 4th.