Coiled Serpent

You conjure a Large serpent. You may command the serpent to constrict a creature you can see within range. The creature makes a Strength saving throw against your spell save DC or is reastrained until the spell ends. A Huge or larger creature has advantage on this saving throw.

While restrained by this spell, the target takes 1d6 bludgeoning damage at the start of each of its turns. The target may repeat its Strength saving throw at the end of each of its turns. On a success the spell ends.

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