artwork, part 2
This covers up through the Sunflowers set.There are a few I may have missed since I haven't collected all cards from the last 2 sets. Regular horses are not in these categories.
winged
Allegra, Amor, Anemone, Aurora, Azuro, Bellerophon, Bifrost, Brioso, Camellia, Celinda, Cherub, Chromasia, Chryso, Cindra, Cirra, Corcel, Cosima, Dreki, Ebenos, Emberic, Empress, Euros, Farfalla, Foxglove, Foxtail, Graia, Helia, Hilario, Honora, Hummingbird, Hyperion, Icarus, Iris, Kendra, Khrysor, Larena, Lillova, Memory, Misla, Morewyn, Muskogee, Naiad, Nightingale, Nike, Osage, Pegasus, Peregrine, Phoenix, Pirouette, Prisma, Pythia, Quinly, Rodrigo, Roxy, Ruskin, Saffron, Seraphia, Shawnee, Snapdragon, Socorro, Starfrost, Sunflower, Tramontane, Uranus, Valkrist, Wings, Zephyros, Zuni
unicorn (some are winged also)
Bluefiddle, Briar, Calyx, Dart, Delight, Dyni, Farah, Iceking, Iceprince, Mandalay, Misty, Primrose, Rosebriar, Royce, Snowdreamer, Tarragon, Toboggan, Whimsy, Yasmin
seahorse (some are not tailed)
Bathylas, Brigid, Brine, Cajus, CattailChumash, Coral, Edana, Flipper, Hai Sheng, Haku, Honu, Inuit, Jaida, Janie, Jikin, Jordanna, Kahuna, Kallista, Kona, Kora, Lakehorse, Lotus, Mahalo, Mahina, Mariannis, Neptune, Obrylin, Peka Peka, Pelagos, Ran, Reed, Reif, Resauro, Signy, Tiffy, Tlingit, Treasure, Tugo, Waterlily, Waterpearl, Wavebreaker
magical or mystical scene/feel *most of the Ancient Lights set; many of the Northern Lights set*
Ariadne, Athena, Autumn, Beran, Danu, Diana, Epona, Eurynome, Halloween, Hecate, Iduna, Jajali, Janus, Jonas, Lien, Melusine, Mireldis, Oracle, Pandora, Persephone, Rosamund, Saga, Shadow, Star, Thunder