Hobble
Cantrip · Evocation
Casting Time 1 bonus action
Range 30 feet
Components V, S, M (a broken rabbit’s foot)
Duration Instantaneous
Classes Bard, Cleric, Druid, Sorcerer, Warlock, Wizard
You create an ethereal trap in the space of a creature you can see within range. The target must succeed on a Dexterity saving throw or its speed is halved until the end of its next turn.
Source: Deep Magic 5e · OGL/Open