Silvery Barbs (Rules)

Silvery Barbs

(1st level Enchantment)

Casting Time: 1 Reaction (which you take when a creature you can see within 60 feet of yourself succeeds on an attack roll, an ability check, or a saving throw)
Range/Area: 60 feet
Components: V
Duration: Instantaneous

You magically distract the triggering creature. The triggering creature must reroll the d20 and use the new roll, if it is lower.

Interactions with Advantage and Disadvantage: This spell is triggered when something succeeds; the new roll is not rolled with Advantage or Disadvantage.