Anastasia Dimension is a warm purple with a metallic finish that is limited edition and retails for $12.00. In comparison, MAC Tide 'n' Seek (Magic in Your Eyes) is a cool taupe with a metallic finish that is limited edition and retails for $20.00.
MAC Tide 'n' Seek (Magic in Your Eyes) is 80% similar — it is more shimmery, lighter, cooler.