The Master of Keys (Commander) - Expensive Upgraded Mill

The Master of Keys
Rank #315
3decks
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Background image for Examining Duskmourn: House of Horror, One Year Later
Josh Nelson
Sep 26, 2025
Josh Nelson
Examining Duskmourn: House of Horror, One Year Later
Last time, we examined Bloomburrow and its cozy woodland vibes. Today, we're taking a much darker turn with Duskmourn: House of Horror!
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Smothering Tithe
100%inclusion3 decks3 decks
68%synergy
Imperial Seal
33%inclusion1 decks3 decks
26%synergy
Thassa's Oracle
33%inclusion1 decks3 decks
23%synergy
Ancient Tomb
33%inclusion1 decks3 decks
20%synergy
Consecrated Sphinx
33%inclusion1 decks3 decks
27%synergy
Serra's Sanctum
33%inclusion1 decks3 decks
32%synergy
The One Ring
33%inclusion1 decks3 decks
20%synergy
Rhystic Study
33%inclusion1 decks3 decks
1%synergy
Creatures
Demon of Fate's Design
100%inclusion3 decks3 decks
94%synergy
Silent Hallcreeper
100%inclusion3 decks3 decks
96%synergy
Victor, Valgavoth's Seneschal
100%inclusion3 decks3 decks
98%synergy
Fear of Sleep Paralysis
100%inclusion3 decks3 decks
94%synergy
Ghostly Dancers
100%inclusion3 decks3 decks
97%synergy
Entity Tracker
100%inclusion3 decks3 decks
93%synergy
Starfield Mystic
67%inclusion2 decks3 decks
60%synergy
Inquisitive Glimmer
67%inclusion2 decks3 decks
59%synergy
Fear of Surveillance
67%inclusion2 decks3 decks
66%synergy
Mesa Enchantress
67%inclusion2 decks3 decks
58%synergy
Doomwake Giant
67%inclusion2 decks3 decks
61%synergy
Grim Guardian
67%inclusion2 decks3 decks
64%synergy
Ondu Spiritdancer
67%inclusion2 decks3 decks
60%synergy
Fear of Falling
33%inclusion1 decks3 decks
33%synergy
Fear of Infinity
33%inclusion1 decks3 decks
33%synergy
Scrabbling Skullcrab
33%inclusion1 decks3 decks
32%synergy
Erratic Apparition
33%inclusion1 decks3 decks
33%synergy
Gravebreaker Lamia
33%inclusion1 decks3 decks
32%synergy
The Mindskinner
33%inclusion1 decks3 decks
33%synergy
Overlord of the Floodpits
33%inclusion1 decks3 decks
29%synergy
Osseous Sticktwister
33%inclusion1 decks3 decks
33%synergy
Agent of Erebos
33%inclusion1 decks3 decks
33%synergy
Celestial Ancient
33%inclusion1 decks3 decks
33%synergy
Esper Sentinel
33%inclusion1 decks3 decks
5%synergy
Fear of Impostors
33%inclusion1 decks3 decks
32%synergy
Overlord of the Balemurk
33%inclusion1 decks3 decks
31%synergy
Vilis, Broker of Blood
33%inclusion1 decks3 decks
32%synergy
Overlord of the Mistmoors
33%inclusion1 decks3 decks
31%synergy
Moon-Blessed Cleric
33%inclusion1 decks3 decks
29%synergy
Daxos the Returned
33%inclusion1 decks3 decks
33%synergy
Enduring Tenacity
33%inclusion1 decks3 decks
26%synergy
Skullsnap Nuisance
33%inclusion1 decks3 decks
33%synergy
Athreos, Shroud-Veiled
33%inclusion1 decks3 decks
29%synergy
Enduring Curiosity
33%inclusion1 decks3 decks
26%synergy
Crypt Ghast
33%inclusion1 decks3 decks
33%synergy
Gremlin Tamer
33%inclusion1 decks3 decks
32%synergy
Balemurk Leech
33%inclusion1 decks3 decks
33%synergy
Creeping Peeper
33%inclusion1 decks3 decks
33%synergy
Athreos, God of Passage
33%inclusion1 decks3 decks
32%synergy
Ancient Cellarspawn
33%inclusion1 decks3 decks
30%synergy
Aminatou, Veil Piercer
33%inclusion1 decks3 decks
32%synergy
Phenomenon Investigators
33%inclusion1 decks3 decks
33%synergy
Zur, Eternal Schemer
33%inclusion1 decks3 decks
30%synergy
Hullbreaker Horror
33%inclusion1 decks3 decks
27%synergy
Zur the Enchanter
33%inclusion1 decks3 decks
28%synergy
Instants
Void Rend
67%inclusion2 decks3 decks
33%synergy
Counterspell
67%inclusion2 decks3 decks
26%synergy
Withering Torment
67%inclusion2 decks3 decks
65%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
7%synergy
Eerie Interference
33%inclusion1 decks3 decks
33%synergy
Dark Ritual
33%inclusion1 decks3 decks
14%synergy
Cabal Ritual
33%inclusion1 decks3 decks
30%synergy
Thirst for Meaning
33%inclusion1 decks3 decks
32%synergy
Seized from Slumber
33%inclusion1 decks3 decks
33%synergy
Swan Song
33%inclusion1 decks3 decks
14%synergy
Perplex
33%inclusion1 decks3 decks
32%synergy
Arcane Denial
33%inclusion1 decks3 decks
13%synergy
Swords to Plowshares
33%inclusion1 decks3 decks
-35%synergy
Utter End
33%inclusion1 decks3 decks
26%synergy
Path to Exile
33%inclusion1 decks3 decks
-9%synergy
Don't Make a Sound
33%inclusion1 decks3 decks
33%synergy
Sorceries
Commune with Evil
67%inclusion2 decks3 decks
67%synergy
Redress Fate
67%inclusion2 decks3 decks
60%synergy
Dance of the Manse
67%inclusion2 decks3 decks
63%synergy
Ponder
33%inclusion1 decks3 decks
24%synergy
Lively Dirge
33%inclusion1 decks3 decks
32%synergy
Tranquilize
33%inclusion1 decks3 decks
33%synergy
Sevinne's Reclamation
33%inclusion1 decks3 decks
25%synergy
Wrath of God
33%inclusion1 decks3 decks
29%synergy
Farewell
33%inclusion1 decks3 decks
20%synergy
Replenish
33%inclusion1 decks3 decks
32%synergy
Diabolic Vision
33%inclusion1 decks3 decks
31%synergy
Reanimate
33%inclusion1 decks3 decks
17%synergy
Extinguish All Hope
33%inclusion1 decks3 decks
32%synergy
Portent
33%inclusion1 decks3 decks
30%synergy
Utility Artifacts
Lightning Greaves
67%inclusion2 decks3 decks
44%synergy
Mesmeric Orb
33%inclusion1 decks3 decks
32%synergy
Chimil, the Inner Sun
33%inclusion1 decks3 decks
32%synergy
Cloud Key
33%inclusion1 decks3 decks
30%synergy
Crucible of Worlds
33%inclusion1 decks3 decks
32%synergy
Helm of the Gods
33%inclusion1 decks3 decks
32%synergy
Enchantments
Ripples of Undeath
67%inclusion2 decks3 decks
64%synergy
Mirrormade
67%inclusion2 decks3 decks
57%synergy
Timely Ward
67%inclusion2 decks3 decks
62%synergy
Dazzling Theater // Prop Room
67%inclusion2 decks3 decks
65%synergy
Secret Arcade // Dusty Parlor
67%inclusion2 decks3 decks
61%synergy
Polluted Cistern // Dim Oubliette
67%inclusion2 decks3 decks
66%synergy
Hallowed Haunting
67%inclusion2 decks3 decks
64%synergy
Defiled Crypt // Cadaver Lab
67%inclusion2 decks3 decks
66%synergy
Stillness in Motion
50%inclusion1 decks2 decks
50%synergy
One with the Multiverse
33%inclusion1 decks3 decks
29%synergy
The Meathook Massacre
33%inclusion1 decks3 decks
30%synergy
Polluted Bonds
33%inclusion1 decks3 decks
32%synergy
Dance of the Dead
33%inclusion1 decks3 decks
31%synergy
Grasp of Fate
33%inclusion1 decks3 decks
27%synergy
Cacophony Unleashed
33%inclusion1 decks3 decks
32%synergy
Trapped in the Screen
33%inclusion1 decks3 decks
33%synergy
Sigil of the Empty Throne
33%inclusion1 decks3 decks
27%synergy
Unable to Scream
33%inclusion1 decks3 decks
32%synergy
Shardmage's Rescue
33%inclusion1 decks3 decks
33%synergy
Out of the Tombs
33%inclusion1 decks3 decks
33%synergy
Grievous Wound
33%inclusion1 decks3 decks
32%synergy
Touch the Spirit Realm
33%inclusion1 decks3 decks
31%synergy
Authority of the Consuls
33%inclusion1 decks3 decks
22%synergy
Blind Obedience
33%inclusion1 decks3 decks
21%synergy
Omniscience
33%inclusion1 decks3 decks
30%synergy
Estrid's Invocation
33%inclusion1 decks3 decks
29%synergy
Coastal Piracy
33%inclusion1 decks3 decks
31%synergy
Starfield of Nyx
33%inclusion1 decks3 decks
29%synergy
Sphere of Safety
33%inclusion1 decks3 decks
24%synergy
The Tale of Tamiyo
33%inclusion1 decks3 decks
33%synergy
Cemetery Tampering
33%inclusion1 decks3 decks
33%synergy
Funeral Room // Awakening Hall
33%inclusion1 decks3 decks
32%synergy
Amphibian Downpour
33%inclusion1 decks3 decks
29%synergy
Seal of Cleansing
33%inclusion1 decks3 decks
32%synergy
Monologue Tax
33%inclusion1 decks3 decks
27%synergy
Restricted Office // Lecture Hall
33%inclusion1 decks3 decks
31%synergy
Secrets of the Dead
33%inclusion1 decks3 decks
33%synergy
Bottomless Pool // Locker Room
33%inclusion1 decks3 decks
31%synergy
The Bath Song
33%inclusion1 decks3 decks
33%synergy
Unholy Annex // Ritual Chamber
33%inclusion1 decks3 decks
33%synergy
Animate Dead
33%inclusion1 decks3 decks
24%synergy
Dress Down
33%inclusion1 decks3 decks
31%synergy
Painful Quandary
33%inclusion1 decks3 decks
31%synergy
Enchanted Evening
33%inclusion1 decks3 decks
32%synergy
Oubliette
33%inclusion1 decks3 decks
32%synergy
Spirit Link
33%inclusion1 decks3 decks
33%synergy
Sheltered by Ghosts
33%inclusion1 decks3 decks
31%synergy
Nowhere to Run
33%inclusion1 decks3 decks
32%synergy
Ethereal Armor
33%inclusion1 decks3 decks
29%synergy
Greater Auramancy
33%inclusion1 decks3 decks
29%synergy
Utility Lands
Hall of Heliod's Generosity
67%inclusion2 decks3 decks
53%synergy
Reliquary Tower
67%inclusion2 decks3 decks
33%synergy
Bojuka Bog
33%inclusion1 decks3 decks
6%synergy
Cephalid Coliseum
33%inclusion1 decks3 decks
30%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
20%synergy
Vault of the Archangel
33%inclusion1 decks3 decks
27%synergy
Rogue's Passage
33%inclusion1 decks3 decks
24%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
12%synergy
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Thought Vessel
67%inclusion2 decks3 decks
42%synergy
Azorius Signet
67%inclusion2 decks3 decks
34%synergy
Talisman of Progress
33%inclusion1 decks3 decks
-9%synergy
Commander's Sphere
33%inclusion1 decks3 decks
14%synergy
Talisman of Dominance
33%inclusion1 decks3 decks
-16%synergy
Dimir Signet
33%inclusion1 decks3 decks
0%synergy
Talisman of Hierarchy
33%inclusion1 decks3 decks
-10%synergy
Orzhov Signet
33%inclusion1 decks3 decks
-2%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
8%synergy
Swamp
100%inclusion3 decks3 decks
9%synergy
Island
100%inclusion3 decks3 decks
7%synergy
Plains
100%inclusion3 decks3 decks
9%synergy
Marsh Flats
100%inclusion3 decks3 decks
64%synergy
Polluted Delta
100%inclusion3 decks3 decks
63%synergy
Flooded Strand
100%inclusion3 decks3 decks
62%synergy
Tundra
67%inclusion2 decks3 decks
51%synergy
Exotic Orchard
67%inclusion2 decks3 decks
8%synergy
Underground Sea
67%inclusion2 decks3 decks
51%synergy
Raffine's Tower
67%inclusion2 decks3 decks
26%synergy
Godless Shrine
67%inclusion2 decks3 decks
17%synergy
Morphic Pool
67%inclusion2 decks3 decks
32%synergy
Scrubland
67%inclusion2 decks3 decks
51%synergy
Mana Confluence
67%inclusion2 decks3 decks
53%synergy
Vault of Champions
67%inclusion2 decks3 decks
34%synergy
Hallowed Fountain
67%inclusion2 decks3 decks
18%synergy
Watery Grave
67%inclusion2 decks3 decks
17%synergy
Prismatic Vista
33%inclusion1 decks3 decks
29%synergy
Undercity Sewers
33%inclusion1 decks3 decks
19%synergy
Misty Rainforest
33%inclusion1 decks3 decks
22%synergy
Caves of Koilos
33%inclusion1 decks3 decks
-2%synergy
Shipwreck Marsh
33%inclusion1 decks3 decks
13%synergy
Valgavoth's Lair
33%inclusion1 decks3 decks
30%synergy
Sea of Clouds
33%inclusion1 decks3 decks
-3%synergy
Arcane Sanctum
33%inclusion1 decks3 decks
-21%synergy
Isolated Chapel
33%inclusion1 decks3 decks
-5%synergy
Drowned Catacomb
33%inclusion1 decks3 decks
-2%synergy
Underground River
33%inclusion1 decks3 decks
1%synergy
Evolving Wilds
33%inclusion1 decks3 decks
8%synergy
Gemstone Caverns
33%inclusion1 decks3 decks
25%synergy
Arid Mesa
33%inclusion1 decks3 decks
23%synergy
Meticulous Archive
33%inclusion1 decks3 decks
20%synergy
Adarkar Wastes
33%inclusion1 decks3 decks
3%synergy
Deserted Beach
33%inclusion1 decks3 decks
13%synergy
City of Brass
33%inclusion1 decks3 decks
18%synergy
Bloodstained Mire
33%inclusion1 decks3 decks
22%synergy
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