Umbris Test Deck by BoogieLou

Format: Commander

Commander: Umbris, Fear Manifest

Bracket: 3

DeckCheck Threat Index: 37

Deck overview

This Dimir deck executes an exile-centric tribal Voltron strategy led by Umbris, Fear Manifest. The game plan accelerates mana in the opening turns to deploy Umbris on Turn 4. Once on the battlefield, Umbris scales rapidly in power as opponents' cards are exiled through tribal enter-the-battlefield triggers, triggered clones, and mass-exile spells like Tasha's Hideous Laughter and Ashiok, Dream Render. The deck leverages evasion enablers like Whispersilk Cloak, Aqueous Form, and Rogue's Passage alongside direct life loss from Essence Harvest to eliminate opponents in rapid succession. Supporting this proactive line is an interactive suite containing hard graveyard hate, versatile counterspells, and efficient board wipes like Toxic Deluge. If Umbris faces disruption, the deck pivots smoothly to backup engines like Hullbreaker Horror, Doomsday Excruciator, and Captain N'ghathrod, which maintain steady pressure and control the board.

Decklist (100 cards)

  • 1 Aboleth Spawn
  • 1 Ancient Cellarspawn
  • 1 Aqueous Form
  • 1 Arcane Denial
  • 1 Arcane Signet
  • 1 Archenemy's Charm
  • 1 Archmage's Charm
  • 1 Ashiok, Dream Render
  • 1 Black Market Connections
  • 1 Bojuka Bog
  • 1 Captain N'ghathrod
  • 1 Choked Estuary
  • 1 Clammy Prowler
  • 1 Command Tower
  • 1 Counterspell
  • 1 Curse of the Swine
  • 1 Dark Ritual
  • 1 Darkslick Shores
  • 1 Dauthi Voidwalker
  • 1 Demonic Counsel
  • 1 Dimir Aqueduct
  • 1 Dimir Signet
  • 1 Dissipate
  • 1 Doomsday Excruciator
  • 1 Dread Presence
  • 1 Drowned Catacomb
  • 1 Endless Evil
  • 1 Essence Harvest
  • 1 Evolving Wilds
  • 1 Exotic Orchard
  • 1 Extinction Event
  • 1 Fact or Fiction
  • 1 Fear of Impostors
  • 1 Feign Death
  • 1 Grazilaxx, Illithid Scholar
  • 1 Hullbreaker Horror
  • 1 Irenicus's Vile Duplication
  • 10 Island
  • 1 Leyline of the Void
  • 1 Lightning Greaves
  • 1 Mind Flayer
  • 1 Mind Grind
  • 1 Mind Stone
  • 1 Necrodominance
  • 1 Negate
  • 1 Night's Whisper
  • 1 Nightmare Shepherd
  • 1 Overlord of the Balemurk
  • 1 Panharmonicon
  • 1 Phyrexian Obliterator
  • 1 Reflections of Littjara
  • 1 Relic of Progenitus
  • 1 Roaming Throne
  • 1 Rogue's Passage
  • 1 Ruthless Technomancer
  • 1 Scavenger Grounds
  • 1 Shipwreck Marsh
  • 1 Silent Hallcreeper
  • 1 Slip Through Space
  • 1 Sol Ring
  • 1 Spark Double
  • 1 Spellskite
  • 1 Sunken Hollow
  • 1 Sunken Ruins
  • 13 Swamp
  • 1 Swiftfoot Boots
  • 1 Tainted Isle
  • 1 Talisman of Dominance
  • 1 Tasha's Hideous Laughter
  • 1 Temple of Deceit
  • 1 Thing in the Ice // Awoken Horror
  • 1 Toxic Deluge
  • 1 Uchuulon
  • 1 Umbris, Fear Manifest
  • 1 Urza's Incubator
  • 1 Wharf Infiltrator
  • 1 Whispersilk Cloak
  • 1 Winged Boots
  • 1 Yarok's Fenlurker