Your Portfolio really Looks great! I would maybe add some WAVES to it.
If you are also interested in low market cap coins, you can research ARK, BLOCK, TKS & MGO
I agree with the MGO option, WAVES, however, it's not the best choice, DASH and ETC are one of the most paid currencies, we should invest in it.
Why do you think WAVES is a not a good option? I am just curios what´s behind that statement