A Majestic Unicorn on Green Hill - Image

Create an image of a majestic unicorn standing on top of a green hill. He has a long, shiny mane that shimmers with all the colors of the rainbow, and a sparkling horn that emits a soft light. Bright flowers and azure sky with light clouds are visible in the background. Butterflies flutter around the unicorn, and the sun's rays are given a magical mood. The picture should convey the atmosphere of magic and harmony with nature.