Theo’s Ice Shackles

You point to one creature within range. The creature needs to make a dexterity saving throw or icy restraints form around their hands and feet. The target takes 2d6 points of cold damage and is restrained. A successful save the creature takes half damage and is not restrained.

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