Cartier’s Frozen Shackles

As an action, you conjure a pair of shackles made from pure ice that forms around the legs of a creature in range that you can see. The creature must make a dexterity saving throw against the spell caster’s DC. On a successful save, the spell fails. On a failed save the creatures movement speed is halved and the creature is forced to take 1d6 (+1d6 per casting level above first) cold damage at the end of each of its turns.

As a bonus action, the spell caster can move the shackles from one creature to another as long as both creatures are in range.

The spell lasts until concentration ends or a minute passes.