Faerie Fire

•1 action, 60-foot range,
Concentration (up to 1 minute)
Outlines objects and creatures in a 20-foot
cube with colored light. Creatures failing a
Dexterity saving throw become outlined.
Affected objects and creatures emit dim light
in a 10-foot radius for the duration. Attacks
against outlined targets have advantage, and
they can't turn invisible.