Experimental Argenport Reanimator (Feedback Needed)

So I have been looking at a reanimator deck that makes use of the Xenan Cultist

This deck is a work in progress and feedback is necessary.

My biggest limitation is lack of removal options outside of slay atm but there are cards I don't wish to change as they are the core idea behind the deck, notably makto, vara, cultist and reaper.

I would very much appreciate anyone who can bring up some suggestions for changes for me to test :)

YPT