Umbris, Fear Manifest by girth_deck

Format: Commander

Commander: Umbris, Fear Manifest

Bracket: 3

DeckCheck Threat Index: 29

Deck overview

This deck is a Dimir Horror tribal and exile-voltron strategy led by Umbris, Fear Manifest. The game plan revolves around casting Horrors and Nightmares alongside mass mill and exile spells to systematically strip cards from opposing libraries. Each exiled card boosts Umbris's power and toughness, quickly transforming the commander into a one-shot lethal combat threat. The deck uses cards like Tasha's Hideous Laughter, Nemesis of Reason, and Fractured Sanity to fill exile zones rapidly while disrupting opposing game plans. Supporting pieces like Whispersilk Cloak and Sludge Monster ensure Umbris can bypass blockers and eliminate opponents one by one. Backed by flexible countermagic, free interaction like Deadly Rollick, and graveyard hate, the deck protects its board while advancing its win conditions. Secondary win lines include an infinite combo with Duskmantle Guildmage and Mindcrank, as well as massive mill spikes via Bruvac the Grandiloquent, ensuring alternate paths to victory when combat is contested.

Decklist (100 cards)

• 1 Ancient Cellarspawn
• 1 Arcane Signet
• 1 Ashiok, Nightmare Muse
• 1 Ashiok, Nightmare Weaver
• 1 Blot Out
• 1 Bojuka Bog
• 1 Brainstorm
• 1 Bruvac the Grandiloquent
• 1 Clearwater Pathway // Murkwater Pathway
• 1 Command Tower
• 1 Counterspell
• 1 Cut Your Losses
• 1 Cyclonic Rift
• 1 Dark Ritual
• 1 Dauthi Voidwalker
• 1 Deadly Rollick
• 1 Doom Blade
• 1 Dread Summons
• 1 Drown in Dreams
• 1 Drown in the Loch
• 1 Duskmantle Guildmage
• 1 Endless Evil
• 1 Fear of Impostors
• 1 Fear of Isolation
• 1 Feed the Swarm
• 1 Fellwar Stone
• 1 Force of Despair
• 1 Fractured Sanity
• 1 Glimpse the Unthinkable
• 1 Grazilaxx, Illithid Scholar
• 1 Hullbreaker Horror
• 12 Island
• 1 Maddening Cacophony
• 1 Mana Leak
• 1 Memory Plunder
• 1 Mind Funeral
• 1 Mind Sculpt
• 1 Mindcrank
• 1 Morphic Pool
• 1 Mystical Tutor
• 1 Nemesis of Reason
• 1 Nephalia Drownyard
• 1 Nightmare Shepherd
• 1 Oblivion Sower
• 1 Phenax, God of Deception
• 1 Phyrexian Obliterator
• 1 Pit of Offerings
• 1 Ponder
• 1 Psychic Corrosion
• 1 Ravenform
• 1 Reliquary Tower
• 1 Serum Visions
• 1 Shadow Kin
• 1 Sign in Blood
• 1 Silent Hallcreeper
• 1 Sludge Monster
• 1 Sol Ring
• 1 Solemn Simulacrum
• 1 Spellskite
• 1 Stone of Erech
• 1 Sunken Hollow
• 12 Swamp
• 1 Swan Song
• 1 Syncopate
• 1 Tainted Isle
• 1 Talisman of Dominance
• 1 Tasha's Hideous Laughter
• 1 Temple of Deceit
• 1 Terisian Mindbreaker
• 1 Thought Scour
• 1 Thought Vessel
• 1 Traumatize
• 1 Uchuulon
• 1 Umbris, Fear Manifest
• 1 Watery Grave
• 1 Wharf Infiltrator
• 1 Whispersilk Cloak
• 1 Zellix, Sanity Flayer