Roulette (Marvel Comics)

Jennifer Stavros, also known as Roulette, is a mutant who was recruited by Emma Frost into the Hellions.

Powers
Probability alteration discs: Roulette can create discs of psionic energy which alter the probability field around the victim at whom she throws the disc. Her black energy discs create "bad luck", while her white energy discs bestow "good luck".