Silvery Barbs (Spell)

Silvery Barbs is a 1st level Enchantment Reaction spell that forces the triggering creature to reroll a d20 and use the lowest roll. Upcasting also grants 1 creature Advantage on its first d20 roll.
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==Description==
You magically distract the triggering creature, allowing for a twist of fate. The triggering creature must reroll the d20 and use the lower roll. This does not take the initial roll's (dis-)advantage in account, and only chooses between the original roll's result after any (dis-)advantage and the rerolled result.
At Higher Levels: When you cast this spell using a spell slot of 2nd level or higher, you can also choose one creature you can see within range (you can choose yourself) and grant them Advantage to their next Attack Roll, Ability Check, or Saving Throw they make within 1 minute.A creature can be empowered by only one use of this spell at a time.
==Clarifications==
* Upcasting it with a spell slot of level 3 or higher does NOT grant any additional Advantages beyond the first d20 roll for one chosen creature.
==Changes vs RAW==
* Silvery barbs no longer grants Advantage to an allied creature unless you upcast with a spell slot of level 2 or higher.
* Silvery barbs has a changed Range of 30ft instead of 60ft.