vibrant rainbow-colored unicorn with flowing mane and golden horn in a fantasy style

unicorn rainbow colorful mane fantasy horn golden magical vibrant mystical dream animal creature fairytale art magicalcreature mythical bright colorfulmane vibrantart majestic cartoon majesticunicorn flowyhair unicornart illustrationart rainbowunicorn fairytalestyle mythicalart horse magic fantasyart beautiful artistic horned storybook magiccreature fantasycreature whimsical fairytaledesign rainbow-colored flowing style detailed style generated