Read goodgoodgood.co articles studies about hope. One about 14 year study, and the other from June/July about how Hope is Fundamental to Life. Any other articles too. Then cultivate hope DAILY.

Also, think about this, scientists are reviving the wholly mammoth in a way. In near future we will be able to revive other species, and then even make brand new ones. Think new kinds of dogs, new kinds of species for pets, new kinds of species to mount for transpirtation (Dragons for example with dog genes for friendliness and trainability). So it will be possible to make what you are seeing in near future

Last thing learn to draw it digitally. Would love to see what you see. Post it online when completed. Paint/Draw pick your art medium