My main goal/challenge would be to obtain a divine for free. I've never had one in the past, bar the Reindeer, so I thought it made for a nice goal. 

Current sub-goals:

[x] Complete the Apprentice breeder objectives

[x] Obtain a unicorn mare

[x] Breed a draft

[x] Breed a donkey

[x] Get a 3* box for the EC

[x] Save up 1000 passes

[ ] Save up 5000 passes

[ ] Have 10 3* boxes at the EC

[ ] Breed a Percheron over 7000 GP

[ ] Breed a Finnhorse over 20000 GP

[ ] Make a skiller