Megan Gwynn was in a small mining town which was being raised by her grandparents. There was an accident where she uncovers his mutant powers when a car is about to hit her while riding her bicycle.She then spread her butterfly wings and able her to fly.After that event she then enrolled to Xavier Institute where she was being trained by Wofsbane.She has been a very cheerful student which makes her fit to her squad.Source here
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She wing powers allow her to engage flight and great maneuverability. She has been able to do spell casting where Doctor Strange teach her how to and has been one of the possible candidates to be a Supreme Sorcerer.She can teleport herself as well as other people into inter-dimensional.Source here
Power Statistic Level Intelligence 2 Strength 2 Speed 3-7 Durability 2 Energy Projection 3 Fighting Skills 2
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Note : Max Level is 7