majestic unicorn galloping across a lush verdant field under a vivid rainbow filled sky this fantastical scene evokes a sense of

unicorn galloping rainbow vivid fantasy magical mythical horse creature wildlife nature landscape scenery outdoor dramatic cloudy grass field meadow sunlight glowing majestic powerful graceful elegant movement dynamic adventure epic storybook imagination enchantment wonder beauty serene peaceful tranquil animal equine equestrian mystical legendary celestial ethereal atmospheric scenic idyllic pastoral lush verdant