graveyards

It's usually smart to run more than 19 lands in a normal deck, but this is ridiculous. First off, the minimum deck size is 60 cards for a reason; you should try to keep your card count low. 94 cards is just bad, especially when most of them are just random one-ofs. Also, there's no real synergy for this deck. Some cards exile stuff in the graveyard, while other things require cards in the graveyard... You're messing up your own strategy. Sure, it "messes with the graveyard" but that's not going to help you win... It's just going to let you mess around until you die because there's no point to it.

Advice: Scrap this deck. Just take it apart and start from the beginning. The first thing you need to do is determine a main strategy or win condition. That could be resurrecting cards from the graveyard, Zombies, something else, or a combination of two strategies that fit well, meaning that there are cards that work with both themes (For example, there is a lot of overlap between Zombies and resurrecting things from the grave).

Once you've chosen a theme, commit to it. You can't just throw any card in a deck just because it's the right colors. If a card doesn't fit the theme you've chosen, even if it's a good card or you really like it, you should consider removing it.

Also, you should run more copies of each card. Running 3-4 copies of something will help you get it more consistently, so you can create a reliable strategy with your deck.

Go search for some deck-building guides to help you. Good luck.