[Standard Post-Rotation] My own take on Zombies, I guess?

Creatures: 20
4x Black Cat
4x Diregraf Captain
3x Ghoulraiser
4x Gravecrawler
2x Havenguul Lich
3x Undead Alchemist

Enchantments: 2
2x Endless Ranks of the Dead

Instants: 14
4x Altar's Reap
3x Dissipate
4x Tragic Slip
3x Victim of Night

Sorceries: 4
4x Ghoulcaller's Chant

Lands: 20
4x Drowned Catacomb
8x Swamp
8x Island

I just sort of sat down and composed this upon examining Blue/Black Zombies and the like for Innistrad Block, noting that a lot of the stuff I'd use from Scars Block (like Dismember and stuff) is going to cycle out.

Shame, really, since Cemetary Reaper was such a nice card for them. </3

Discuss how terrible my build is for taking ten minutes to make it.

EDIT: Current problem is that places don't seem to have copies of Tragic Slip available. What the hell. qq

The most legit reason to play Blue in Zombies is because of Phantasmal Image. 4 Diregraf Captain is serious overkill though. 3 is fine really. Undead Alchemist makes little sense because it basically forces you to play two different win conditions. Messes with your consistency too. Same with Havengul Lich. Zombies shouldn't run 5-drops. Especially when your 5-drop will only ever be resurrecting your 1-drops that can already revive themselves anyway.

Obviously, I'm assuming this is IRL, so these are all ideal changes. So, this is what I'd aim for your build to be, but it's vaguely expensive.

-1 Diregraf Captain
-2 Havenguul Lich
-3 Ghoulraiser
-3 Undead Alchemist
-4 Black Cat
-4 Ghoulcaller's Chant
-4 Island
-4 Altar's Reap
+3 Cavern of Souls
+3 Geralf's Messenger
+3 Liliana of the Veil
+4 Diregraf Ghoul
+4 Phantasmal Image
+4 Swamp
+4 Blood Artist