Technically Ratadrabik is also a zombie Lord, but thats way less important
Innistrad is one of Magic: The Gatherings most popular planes for a reason, seeing multiple sets packed full of powerful, suitably spooky designs
A few creature types Dimir broadly cares about are zombies, faeries, and ninjas, all of which crop up on the list
If you own a card on this list its best to just hold until you need to sell it since it likely wont ever see a price decrease
It is a bit value, a bit threat and a bit removal

Table of Contents show The Deck Expedition Map | Illustration by Scott Murphy Planeswalker (5) Karn, the Great Creator x4 Ugin, the Spirit Dragon Creature (7) Devourer of Destiny x4 Emrakul, the World Anew x3 Instant (6) Kozilek's Command x4 Warping Wail x2 Sorcery (4) All Is Dust x4 Enchantment (1) Artifact (15) Chalice of the Void x2 Expedition Map x4 The Underworld Cookbook x2 Mind Stone x4 The One Ring x3 Land (22) Eldrazi Temple x4 Swamp Ugin's Labyrinth x4 Urza's Mine x4 Urza's Power Plant x4 Urza's Tower x4 Wastes Sideboard (15) Dismember x2 Cityscape Leveler Sundering Titan Tormod's Crypt Chalice of the Void x2 Grafdigger's Cage Pithing Needle The Underworld Cookbook Liquimetal Coating The Filigree Sylex The Stone Brain x2 The One Ring While there are multiple versions of Tron, each of them has two key components to win games: taxing your opponents, and ramping your mana so you can play your big spells as early as turn 3 thanks to a natural Tron