Umbris, Fear Manifest by MitchyBoi

Format: Commander

Commander: Umbris, Fear Manifest

Bracket: 3

DeckCheck Threat Index: 25

Deck overview

This deck is a Dimir midrange strategy centered on Umbris, Fear Manifest. The primary plan pairs Nightmare and Horror creature triggers with asymmetric exile and mill effects to rapidly expand opposing exile zones. Cards like Tasha's Hideous Laughter, Leyline of the Void, and Ashiok, Dream Render strip dozens of cards from opponents' libraries and graveyards, scaling Umbris into a colossal threat that can eliminate opponents in single hits. The deck uses equipment like Lightning Greaves and Whispersilk Cloak alongside unblockable effects to guarantee connections. While it lacks competitive fast mana, tutors, or infinite loops, its high density of 2-mana rocks ensures dependable mana development. Its interactive suite combines efficient counters, removal, and incidental stax against graveyard-based plans, though it remains vulnerable to well-timed single-target removal and board wipes directed at its centerpiece commander.

Decklist (100 cards)

  • 1 Aboleth Spawn
  • 1 Ancient Cellarspawn
  • 1 Aqueous Form
  • 1 Arcane Denial
  • 1 Arcane Signet
  • 1 Archenemy's Charm
  • 1 Ashiok, Dream Render
  • 1 Ashiok, Nightmare Muse
  • 1 Ashiok, Nightmare Weaver
  • 1 Bojuka Bog
  • 1 Brainstorm
  • 1 Choked Estuary
  • 1 Command Tower
  • 1 Counterspell
  • 1 Cyclonic Rift
  • 1 Dark Ritual
  • 1 Darkwater Catacombs
  • 1 Dauthi Voidwalker
  • 1 Dimir Signet
  • 1 Doomsday Excruciator
  • 1 Drowned Catacomb
  • 1 Essence Harvest
  • 1 Exotic Orchard
  • 1 Fear of Impostors
  • 1 Feed the Swarm
  • 1 Fellwar Stone
  • 1 Final Act
  • 1 Fractured Sanity
  • 1 Ghostly Flicker
  • 1 Gloomlake Verge
  • 1 Grazilaxx, Illithid Scholar
  • 1 Hidden Lair
  • 1 Hullbreaker Horror
  • 10 Island
  • 1 K'rrik, Son of Yawgmoth
  • 1 Kaya's Ghostform
  • 1 Kindred Discovery
  • 1 Lantern of the Lost
  • 1 Leyline of the Void
  • 1 Lightning Greaves
  • 1 Maddening Cacophony
  • 1 Mind Stone
  • 1 Negate
  • 1 Night's Whisper
  • 1 Nightmare Shepherd
  • 1 Panharmonicon
  • 1 Path of Ancestry
  • 1 Phyrexian Arena
  • 1 Phyrexian Metamorph
  • 1 Planar Void
  • 1 Ponder
  • 1 Preordain
  • 1 Ravenous Chupacabra
  • 1 Reality Shift
  • 1 Resculpt
  • 1 Restless Reef
  • 1 Rogue's Passage
  • 1 Ruin Crab
  • 1 Scavenger Grounds
  • 1 Shipwreck Marsh
  • 1 Sludge Monster
  • 1 Sol Ring
  • 1 Soul-Guide Lantern
  • 1 Spark Double
  • 1 Spellskite
  • 1 Sunken Hollow
  • 1 Sunken Ruins
  • 9 Swamp
  • 1 Swan Song
  • 1 Swiftfoot Boots
  • 1 Tainted Isle
  • 1 Talisman of Dominance
  • 1 Tasha's Hideous Laughter
  • 1 The Darkness Crystal
  • 1 Thought Vessel
  • 1 Tormod's Crypt
  • 1 Toxic Deluge
  • 1 Turbulent Wetlands
  • 1 Uchuulon
  • 1 Umbris, Fear Manifest
  • 1 Underground River
  • 1 Whispersilk Cloak
  • 1 Withering Torment