iridescent dream: a majestic unicorn in pastel glory with feathers

equestrianism otherworldly illuminates tranquility iridescent glittering shimmering background enchanting atmosphere glimmering elongated celestial enhancing dreamlike intricate fantastic landscape spiritual enchanted luxurious undefined sculpture majestic feathers ethereal radiates swirling patterns amethyst delicate lacelike forehead feathery polished graceful creature mythical movement heavenly elegance peaceful stallion unicorn adorned glowing extends casting rainbow slender follows magical flowing fantasy elegant surreal details realism vibrant cartoon drawing pasture pastel shades