I guess I could say your stance on the community's concerns for this secret lair is...cold-blooded (see what I did there? You're just like Negan like you claimed! Haha) /jk

Joking aside, is there a specific reason you have Kalitas, Traitor of Ghet in the list? The reason I ask is because he shuts off all your "when a creature an opponent controls dies" triggers, such as Revel in Riches, Blood Artist, and Gadrak, the Crown-Scourge, Ob Nixilis, Yahenni, etc. If your friends are all playing graveyard decks I can see this as a piece of GY hate, otherwise you might want to replace him?

Replacements might be Despark or Elspeth Conquers Death to hit higher noncreature CMC threats.

Also you have a lot of board wipes, but I didn't see any "sacrifice" wipes aside from Mythos of Snapdax. Single Combat, Slaughter the Strong, Tragic Arrogance, and Killing Wave. These will play nice with Negan since you can save him if you want (and you'll still get the treasure tokens whether you save him or sac him).

I loved your intro by the way, jasonkrivera! I actually didn't think about Kalitas shutting me down. I just saw zombie tokens and went with it. Thanks for the warning! Kal will be the first at the chopping block.

As much research as I did, I never actually thought about the mass sacs for my removal. I probably should have. I will be adding in a few once I get home from work. Thank you for your awesome suggestion and kind help.