Mia G, Christmas by mitchymo

Format: Commander

Commander: Umbris, Fear Manifest

Bracket: 3

DeckCheck Threat Index: 26

Deck overview

This deck is a Dimir Horror and Nightmare tribal strategy commanded by Umbris, Fear Manifest. The game plan revolves around exiling cards from opponents' libraries and graveyards to rapidly grow Umbris into a lethal Voltron threat. With static exile effects like Leyline of the Void and burst exile spells like Tasha's Hideous Laughter, opponents' exiled cards quickly stack into the dozens, boosting Umbris's power to one-shot levels. The deck complements this beatdown with tribal synergy from cards like Captain N'ghathrod, Uchuulon, and Consuming Aberration, which provide alternate pressure through theft and wide boards. Defensive tools such as Web of Inertia leverage empty opposing graveyards to prevent incoming attacks, while equipment grants Umbris the necessary evasion and protection. Although the deck lacks fast combo lines and unconditional tutors, it delivers steady attrition and lethal commander damage.

Decklist (100 cards)

  • 1 Ahriman
  • 1 Ancient Cellarspawn
  • 1 Appendage Amalgam
  • 1 Arcane Signet
  • 1 Boggart Trawler // Boggart Bog
  • 1 Bojuka Bog
  • 1 Captain N'ghathrod
  • 1 Clammy Prowler
  • 1 Command Tower
  • 1 Consuming Aberration
  • 1 Counterspell
  • 1 Cruel Witness
  • 1 Dark Ritual
  • 1 Darkslick Shores
  • 1 Darkwater Catacombs
  • 1 Dimir Aqueduct
  • 1 Dimir Guildgate
  • 1 Dimir Signet
  • 1 Doom Whisperer
  • 1 Doomsday Excruciator
  • 1 Dread Presence
  • 1 Dreadlight Monstrosity
  • 1 Dreadwing Scavenger
  • 1 Drownyard Amalgam
  • 1 Falthis, Shadowcat Familiar
  • 1 Fear of Falling
  • 1 Fear of Isolation
  • 1 Feed the Swarm
  • 1 Fell the Profane // Fell Mire
  • 1 Fetid Gargantua
  • 1 Fetid Pools
  • 1 Fractured Sanity
  • 1 Glimpse the Unthinkable
  • 1 Gollum the Abandoned
  • 1 Gollum, Patient Plotter
  • 1 Gollum, Silent Slinker // Meager Meal
  • 1 Gravestorm
  • 1 Grazilaxx, Illithid Scholar
  • 1 Grimdancer
  • 1 Hecteyes
  • 1 Hullbreaker Horror
  • 1 Insatiable Skittermaw
  • 9 Island
  • 1 Kitsune's Technique
  • 1 Leyline of the Void
  • 1 Lightning Greaves
  • 1 Maddening Cacophony
  • 1 Malboro
  • 1 Mind Flayer
  • 1 Mind Grind
  • 1 Misery's Shadow
  • 1 Negate
  • 1 Patchwork Crawler
  • 1 Path of Ancestry
  • 1 Phyrexian Arena
  • 1 Phyrexian Obliterator
  • 1 Planar Void
  • 1 Psionic Ritual
  • 1 Ravenous Chupacabra
  • 1 Reanimate
  • 1 Reliquary Tower
  • 1 Resculpt
  • 1 Rogue's Passage
  • 1 Ruin Crab
  • 1 Scavenger Grounds
  • 1 Silent Hallcreeper
  • 1 Sire of Stagnation
  • 1 Sol Ring
  • 1 Soul-Guide Lantern
  • 1 Stone of Erech
  • 9 Swamp
  • 1 Swiftfoot Boots
  • 1 Tasha's Hideous Laughter
  • 1 Tekuthal, Inquiry Dominus
  • 1 The Mindskinner
  • 1 Thought Vessel
  • 1 Thrummingbird
  • 1 Toxic Deluge
  • 1 Uchuulon
  • 1 Umbris, Fear Manifest
  • 1 Void Shatter
  • 1 Web of Inertia
  • 1 Whispersilk Cloak
  • 1 Yarok's Fenlurker