Shadow Blindness 2014
Illusion cantrip
You make a melee spell attack against a creature you touch that has darkvision as an innate ability; on a hit, the target’s darkvision is negated until the spell ends. This spell has no effect against darkvision that derives from a spell or a magic item. The target retains all of its other senses.
Source: Deep Magic for 5th Edition (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details