This race seems to have troops light in both gold and in resources, and units that need much resources AND others who want much gold. Quite a tricky situation!
Are you sure Death ninja need water magic? Water => quickness...
Interesting. You should try doing graphics: if you try enough, you will eventually get something useful...
I do most my essays more than once, and whenever I try to draw I make mostly crap, and sometimes something that I can recognize. You could also ask if Illwinter will let you to change the colors of their dragons.