Building my first cube

Hi guys and gals,

I am working on a small 360 card cube and I would like some advice for it is the first time for me to build a cube. I am focused mostly on graveyard/cycling strategy. What shall I remove and what should I include?

Thanks 😊

Link: http://tappedout.net/mtg-decks/07-05-26-nNb-first-cube