MAC Sunphoria (Feminine Wiles) is a warm lavender with a metallic finish that is limited edition and retails for $20.00. In comparison, Maybelline Petunia Punk (120) is a cool pink with a metallic finish that is limited edition and retails for $6.99.
Maybelline Petunia Punk (120) is 95% similar — it is less shimmery, darker.