sketch horses set. wild horse engraving engraving, run mustang or mare equine race retro vintage hand drawn art

horse drawing illustration wild gallop mustang vector black movement animal graphic sketch run silhouette stallion white art design set equine simplified beautiful domestic mammal motion riding collection competition equestrian dressage dynamism mane pony strength jumping speed nature standing mare rider thoroughbred outline line wildlife monochrome purebred cowboy moving race freedom ai generated