Also looking into including: Liliana, the Last Hope; Cryptbreaker;and Summary Dismissal

Cards currently on my chopping block: Shepherd of Rot, Call to the Grave, Magus of the Abyss, Dralnu, Lich Lord, and Exsanguinate.

Currently looking to add: Dark Salvation (EMN)

Currently looking to remove: Dralnu, Lich Lord, Necromancer's Stockpile

Looking to also add: Graf Harvest (EMN)

nice deck, I've always loved Geralf and Gisa and never could decide which to make a EDH deck around but the new EMN card solved that problem! I've always liked Geralf more but you seem partial to Gisa... Anyways cool deck!

How has Fatestitcher worked out for you? I have about a 13% chance to use it if I put in my deck, but I wonder if it is worth it.

Also, I noticed you use Grimgrin, Corpse-Born in your deck. I don't feel convinced to use it in my own deck just yet, may I ask how you use it jin this deck?

This looks like an excellent deck. My only suggestion is that zombie apocalypse should go. Usually it'll kill a few creatures, but not a ton (or not necessarily the ones you need), and your zombies already do you a lot of good in the graveyard, returning them to hand is pretty pointless...

You might have misread Zombie Apocalypse; it returns them to the battlefield, albeit tapped, not the hand.

Hmm so I did...

Phyrexian Altar combos infinitely with Gravecrawler and Diregraf Colossus to get you infinite bodies which you can then turn into mana, or find ways to fling at opponents.

I noticed you had Ashnod's Altar but this doesn't produce the colored mana for Gravecrawler

Vengeful Pharaoh is a staple in these sorts of decks, maybe you should take a look and see if he fits here.

Archaeomancer is a good reanimation target because he gets you back some spells that black reanimation doesn't typically hit. Same can be said for Dralnu, Lich Lord

Academy Ruins can get back your Whip of Erebos or Ashnod's Altar if they get milled away.

Withered Wretch is a good tool to have against other graveyard strategies.

I think the general zombie suite is pretty good though, not much to say. Maybe you could use Hedron Crab to get your graveyard online faster. I've been meaning to find a use for Geralf's Mindcrusher but he always get cut for other cards, maybe here. He can be cast from the graveyard and mills you or an opponent when he comes in.