The Master of Keys (Commander) - Expensive Optimized Combo

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!
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Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Smothering Tithe
100%inclusion3 decks3 decks
68%synergy
Ancient Tomb
100%inclusion3 decks3 decks
87%synergy
Rhystic Study
100%inclusion3 decks3 decks
67%synergy
Demonic Tutor
100%inclusion3 decks3 decks
78%synergy
Force of Will
100%inclusion3 decks3 decks
87%synergy
Enlightened Tutor
100%inclusion3 decks3 decks
80%synergy
Orcish Bowmasters
100%inclusion3 decks3 decks
89%synergy
Chrome Mox
100%inclusion3 decks3 decks
90%synergy
Vampiric Tutor
100%inclusion3 decks3 decks
82%synergy
Mox Diamond
100%inclusion3 decks3 decks
93%synergy
Creatures
Lotho, Corrupt Shirriff
100%inclusion3 decks3 decks
83%synergy
Valley Floodcaller
100%inclusion3 decks3 decks
96%synergy
Esper Sentinel
100%inclusion3 decks3 decks
72%synergy
Abdel Adrian, Gorion's Ward
100%inclusion3 decks3 decks
98%synergy
Ranger-Captain of Eos
100%inclusion3 decks3 decks
93%synergy
Thassa's Oracle
67%inclusion2 decks3 decks
57%synergy
Opposition Agent
67%inclusion2 decks3 decks
58%synergy
Snapcaster Mage
67%inclusion2 decks3 decks
65%synergy
Lurrus of the Dream-Den
67%inclusion2 decks3 decks
65%synergy
Hedron Crab
67%inclusion2 decks3 decks
66%synergy
Voice of Victory
67%inclusion2 decks3 decks
58%synergy
Mockingbird
67%inclusion2 decks3 decks
62%synergy
Grand Abolisher
67%inclusion2 decks3 decks
52%synergy
Auriok Salvagers
67%inclusion2 decks3 decks
66%synergy
Archivist of Oghma
33%inclusion1 decks3 decks
27%synergy
Displacer Kitten
33%inclusion1 decks3 decks
26%synergy
Sheoldred, the Apocalypse
33%inclusion1 decks3 decks
25%synergy
Leonin Relic-Warder
33%inclusion1 decks3 decks
33%synergy
Pollywog Prodigy
33%inclusion1 decks3 decks
29%synergy
Talion, the Kindly Lord
33%inclusion1 decks3 decks
25%synergy
Drannith Magistrate
33%inclusion1 decks3 decks
25%synergy
Grim Guardian
33%inclusion1 decks3 decks
31%synergy
Hullbreaker Horror
33%inclusion1 decks3 decks
27%synergy
Psychic Frog
33%inclusion1 decks3 decks
27%synergy
Ledger Shredder
33%inclusion1 decks3 decks
24%synergy
Ghostly Pilferer
33%inclusion1 decks3 decks
26%synergy
Instants
Mental Misstep
100%inclusion3 decks3 decks
93%synergy
Entomb
100%inclusion3 decks3 decks
93%synergy
Mindbreak Trap
100%inclusion3 decks3 decks
93%synergy
Dark Ritual
100%inclusion3 decks3 decks
81%synergy
Cabal Ritual
100%inclusion3 decks3 decks
97%synergy
Flusterstorm
100%inclusion3 decks3 decks
92%synergy
Silence
100%inclusion3 decks3 decks
90%synergy
Swan Song
100%inclusion3 decks3 decks
81%synergy
Force of Negation
100%inclusion3 decks3 decks
88%synergy
Swords to Plowshares
100%inclusion3 decks3 decks
32%synergy
Pact of Negation
100%inclusion3 decks3 decks
92%synergy
Retraction Helix
67%inclusion2 decks3 decks
66%synergy
Into the Flood Maw
67%inclusion2 decks3 decks
63%synergy
Demonic Consultation
67%inclusion2 decks3 decks
58%synergy
Borne Upon a Wind
67%inclusion2 decks3 decks
62%synergy
Fierce Guardianship
67%inclusion2 decks3 decks
46%synergy
Cyclonic Rift
67%inclusion2 decks3 decks
42%synergy
Mystical Tutor
67%inclusion2 decks3 decks
55%synergy
Deadly Rollick
33%inclusion1 decks3 decks
20%synergy
Tainted Pact
33%inclusion1 decks3 decks
26%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
7%synergy
Snuff Out
33%inclusion1 decks3 decks
26%synergy
Intuition
33%inclusion1 decks3 decks
32%synergy
Brain Freeze
33%inclusion1 decks3 decks
33%synergy
Gifts Ungiven
33%inclusion1 decks3 decks
31%synergy
Darkblast
33%inclusion1 decks3 decks
33%synergy
Banishing Knack
33%inclusion1 decks3 decks
33%synergy
Sink into Stupor
33%inclusion1 decks3 decks
21%synergy
Path to Exile
33%inclusion1 decks3 decks
-9%synergy
Sorceries
Sevinne's Reclamation
100%inclusion3 decks3 decks
91%synergy
Imperial Seal
67%inclusion2 decks3 decks
59%synergy
Cabal Therapy
33%inclusion1 decks3 decks
33%synergy
Diabolic Intent
33%inclusion1 decks3 decks
28%synergy
Lively Dirge
33%inclusion1 decks3 decks
32%synergy
Unmarked Grave
33%inclusion1 decks3 decks
32%synergy
Demonic Counsel
33%inclusion1 decks3 decks
32%synergy
Reanimate
33%inclusion1 decks3 decks
17%synergy
Beseech the Mirror
33%inclusion1 decks3 decks
29%synergy
Nuclear Fallout
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
The One Ring
67%inclusion2 decks3 decks
53%synergy
Wishclaw Talisman
67%inclusion2 decks3 decks
58%synergy
Sensei's Divining Top
33%inclusion1 decks3 decks
23%synergy
Altar of the Brood
33%inclusion1 decks3 decks
32%synergy
Enchantments
Dance of the Dead
100%inclusion3 decks3 decks
98%synergy
Tinybones Joins Up
100%inclusion3 decks3 decks
99%synergy
Necromancy
100%inclusion3 decks3 decks
95%synergy
Mystic Remora
100%inclusion3 decks3 decks
78%synergy
Animate Dead
100%inclusion3 decks3 decks
90%synergy
Dress Down
100%inclusion3 decks3 decks
97%synergy
The Meathook Massacre
67%inclusion2 decks3 decks
63%synergy
Ripples of Undeath
67%inclusion2 decks3 decks
64%synergy
Touch the Spirit Realm
67%inclusion2 decks3 decks
64%synergy
Blind Obedience
67%inclusion2 decks3 decks
54%synergy
Copy Artifact
67%inclusion2 decks3 decks
66%synergy
Static Prison
67%inclusion2 decks3 decks
66%synergy
Counterbalance
33%inclusion1 decks3 decks
32%synergy
Founding the Third Path
33%inclusion1 decks3 decks
33%synergy
Hopeless Nightmare
33%inclusion1 decks3 decks
33%synergy
Mirrormade
33%inclusion1 decks3 decks
23%synergy
Necropotence
33%inclusion1 decks3 decks
26%synergy
Amphibian Downpour
33%inclusion1 decks3 decks
29%synergy
Chthonian Nightmare
33%inclusion1 decks3 decks
33%synergy
Stillness in Motion
33%inclusion1 decks3 decks
33%synergy
Chains of Mephistopheles
33%inclusion1 decks3 decks
33%synergy
Utility Lands
Emergence Zone
67%inclusion2 decks3 decks
65%synergy
Otawara, Soaring City
67%inclusion2 decks3 decks
48%synergy
Mistrise Village
33%inclusion1 decks3 decks
30%synergy
Serra's Sanctum
33%inclusion1 decks3 decks
32%synergy
Urza's Saga
33%inclusion1 decks3 decks
21%synergy
Cephalid Coliseum
33%inclusion1 decks3 decks
30%synergy
City of Traitors
33%inclusion1 decks3 decks
32%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
12%synergy
Lotus Petal
100%inclusion3 decks3 decks
89%synergy
Talisman of Dominance
100%inclusion3 decks3 decks
51%synergy
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Mox Opal
100%inclusion3 decks3 decks
91%synergy
Talisman of Progress
67%inclusion2 decks3 decks
24%synergy
Mana Vault
67%inclusion2 decks3 decks
57%synergy
Mox Amber
67%inclusion2 decks3 decks
61%synergy
Fellwar Stone
67%inclusion2 decks3 decks
33%synergy
Lion's Eye Diamond
67%inclusion2 decks3 decks
64%synergy
Lands
Tundra
100%inclusion3 decks3 decks
84%synergy
Command Tower
100%inclusion3 decks3 decks
8%synergy
Undercity Sewers
100%inclusion3 decks3 decks
86%synergy
Misty Rainforest
100%inclusion3 decks3 decks
89%synergy
Underground Sea
100%inclusion3 decks3 decks
84%synergy
Sea of Clouds
100%inclusion3 decks3 decks
64%synergy
Godless Shrine
100%inclusion3 decks3 decks
50%synergy
Morphic Pool
100%inclusion3 decks3 decks
66%synergy
Gemstone Caverns
100%inclusion3 decks3 decks
92%synergy
Arid Mesa
100%inclusion3 decks3 decks
90%synergy
Scrubland
100%inclusion3 decks3 decks
84%synergy
Mana Confluence
100%inclusion3 decks3 decks
86%synergy
Marsh Flats
100%inclusion3 decks3 decks
64%synergy
Polluted Delta
100%inclusion3 decks3 decks
63%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
51%synergy
City of Brass
100%inclusion3 decks3 decks
85%synergy
Flooded Strand
100%inclusion3 decks3 decks
62%synergy
Bloodstained Mire
100%inclusion3 decks3 decks
89%synergy
Watery Grave
100%inclusion3 decks3 decks
50%synergy
Exotic Orchard
67%inclusion2 decks3 decks
8%synergy
Windswept Heath
67%inclusion2 decks3 decks
57%synergy
Verdant Catacombs
67%inclusion2 decks3 decks
56%synergy
Scalding Tarn
67%inclusion2 decks3 decks
55%synergy
Vault of Champions
67%inclusion2 decks3 decks
34%synergy
Shadowy Backstreet
33%inclusion1 decks3 decks
21%synergy
Spire of Industry
33%inclusion1 decks3 decks
25%synergy
Raffine's Tower
33%inclusion1 decks3 decks
-8%synergy
Island
33%inclusion1 decks3 decks
-59%synergy
Sink into Stupor
33%inclusion1 decks3 decks
21%synergy
Meticulous Archive
33%inclusion1 decks3 decks
20%synergy
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