The Master of Keys (Commander) - Expensive cEDH Mill

The Master of Keys
Rank #315
4decks
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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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Commander Spellbook
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Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Wan Shi Tong, Librarian
100%inclusion1 decks1 decks
95%synergy
High Synergy Cards
Abdel Adrian, Gorion's Ward
100%inclusion4 decks4 decks
98%synergy
Dance of the Dead
100%inclusion4 decks4 decks
98%synergy
Dress Down
100%inclusion4 decks4 decks
97%synergy
Amphibian Downpour
100%inclusion4 decks4 decks
95%synergy
Necromancy
100%inclusion4 decks4 decks
95%synergy
Entomb
100%inclusion4 decks4 decks
93%synergy
Tainted Pact
100%inclusion4 decks4 decks
92%synergy
Demonic Consultation
100%inclusion4 decks4 decks
92%synergy
Sevinne's Reclamation
100%inclusion4 decks4 decks
91%synergy
Animate Dead
100%inclusion4 decks4 decks
90%synergy
Top Cards
Dark Ritual
100%inclusion4 decks4 decks
81%synergy
Esper Sentinel
100%inclusion4 decks4 decks
72%synergy
Mystic Remora
100%inclusion4 decks4 decks
78%synergy
Silence
100%inclusion4 decks4 decks
90%synergy
Swan Song
100%inclusion4 decks4 decks
81%synergy
Force of Negation
100%inclusion4 decks4 decks
88%synergy
Grand Abolisher
100%inclusion4 decks4 decks
86%synergy
Game Changers
Smothering Tithe
100%inclusion4 decks4 decks
68%synergy
Thassa's Oracle
100%inclusion4 decks4 decks
90%synergy
Ancient Tomb
100%inclusion4 decks4 decks
87%synergy
Intuition
100%inclusion4 decks4 decks
98%synergy
Mana Vault
100%inclusion4 decks4 decks
90%synergy
Demonic Tutor
100%inclusion4 decks4 decks
78%synergy
Force of Will
100%inclusion4 decks4 decks
87%synergy
Enlightened Tutor
100%inclusion4 decks4 decks
80%synergy
Chrome Mox
100%inclusion4 decks4 decks
90%synergy
Vampiric Tutor
100%inclusion4 decks4 decks
82%synergy
Creatures
Lotho, Corrupt Shirriff
75%inclusion3 decks4 decks
58%synergy
Snapcaster Mage
75%inclusion3 decks4 decks
73%synergy
Valley Floodcaller
75%inclusion3 decks4 decks
71%synergy
Hedron Crab
75%inclusion3 decks4 decks
74%synergy
Ranger-Captain of Eos
75%inclusion3 decks4 decks
68%synergy
Ghostly Pilferer
50%inclusion2 decks4 decks
43%synergy
Opposition Agent
50%inclusion2 decks4 decks
41%synergy
Mockingbird
50%inclusion2 decks4 decks
46%synergy
Hullbreaker Horror
50%inclusion2 decks4 decks
44%synergy
Orcish Bowmasters
50%inclusion2 decks4 decks
39%synergy
Tataru Taru
50%inclusion2 decks4 decks
42%synergy
Scrabbling Skullcrab
25%inclusion1 decks4 decks
24%synergy
Bruvac the Grandiloquent
25%inclusion1 decks4 decks
24%synergy
Starfield Mystic
25%inclusion1 decks4 decks
18%synergy
Tishana's Tidebinder
25%inclusion1 decks4 decks
24%synergy
Phyrexian Metamorph
25%inclusion1 decks4 decks
16%synergy
Malevolent Hermit
25%inclusion1 decks4 decks
24%synergy
Voice of Victory
25%inclusion1 decks4 decks
17%synergy
Entity Tracker
25%inclusion1 decks4 decks
18%synergy
Ondu Spiritdancer
25%inclusion1 decks4 decks
19%synergy
Archivist of Oghma
25%inclusion1 decks4 decks
18%synergy
Gravebreaker Lamia
25%inclusion1 decks4 decks
24%synergy
Consecrated Sphinx
25%inclusion1 decks4 decks
19%synergy
Lurrus of the Dream-Den
25%inclusion1 decks4 decks
23%synergy
Mesa Enchantress
25%inclusion1 decks4 decks
16%synergy
Fear of Sleep Paralysis
25%inclusion1 decks4 decks
19%synergy
Faerie Mastermind
25%inclusion1 decks4 decks
16%synergy
Drannith Magistrate
25%inclusion1 decks4 decks
17%synergy
Doomwake Giant
25%inclusion1 decks4 decks
19%synergy
Auriok Salvagers
25%inclusion1 decks4 decks
25%synergy
Ledger Shredder
25%inclusion1 decks4 decks
16%synergy
Instants
Fierce Guardianship
75%inclusion3 decks4 decks
54%synergy
Mental Misstep
75%inclusion3 decks4 decks
68%synergy
Mindbreak Trap
75%inclusion3 decks4 decks
68%synergy
Gifts Ungiven
75%inclusion3 decks4 decks
73%synergy
Borne Upon a Wind
75%inclusion3 decks4 decks
70%synergy
Pact of Negation
75%inclusion3 decks4 decks
67%synergy
Mystical Tutor
75%inclusion3 decks4 decks
63%synergy
Darkblast
50%inclusion2 decks4 decks
50%synergy
Swords to Plowshares
50%inclusion2 decks4 decks
-18%synergy
An Offer You Can't Refuse
50%inclusion2 decks4 decks
24%synergy
Cabal Ritual
50%inclusion2 decks4 decks
47%synergy
Flusterstorm
50%inclusion2 decks4 decks
42%synergy
Ad Nauseam
50%inclusion2 decks4 decks
48%synergy
Cyclonic Rift
50%inclusion2 decks4 decks
25%synergy
Brain Freeze
25%inclusion1 decks4 decks
24%synergy
Banishing Knack
25%inclusion1 decks4 decks
25%synergy
Mana Drain
25%inclusion1 decks4 decks
7%synergy
Deadly Rollick
25%inclusion1 decks4 decks
11%synergy
Retraction Helix
25%inclusion1 decks4 decks
24%synergy
Path to Exile
25%inclusion1 decks4 decks
-17%synergy
Sorceries
Reanimate
75%inclusion3 decks4 decks
59%synergy
Imperial Seal
75%inclusion3 decks4 decks
67%synergy
Diabolic Intent
25%inclusion1 decks4 decks
20%synergy
Lively Dirge
25%inclusion1 decks4 decks
24%synergy
Demonic Counsel
25%inclusion1 decks4 decks
24%synergy
Timetwister
25%inclusion1 decks4 decks
24%synergy
Maddening Cacophony
25%inclusion1 decks4 decks
24%synergy
Singularity Rupture
25%inclusion1 decks4 decks
23%synergy
Windfall
25%inclusion1 decks4 decks
11%synergy
Unmarked Grave
25%inclusion1 decks4 decks
24%synergy
Idyllic Tutor
25%inclusion1 decks4 decks
21%synergy
Toxic Deluge
25%inclusion1 decks4 decks
6%synergy
Beseech the Mirror
25%inclusion1 decks4 decks
21%synergy
Utility Artifacts
The One Ring
75%inclusion3 decks4 decks
61%synergy
Vexing Bauble
25%inclusion1 decks4 decks
23%synergy
Wishclaw Talisman
25%inclusion1 decks4 decks
17%synergy
Swiftfoot Boots
25%inclusion1 decks4 decks
1%synergy
Enchantments
Founding the Third Path
75%inclusion3 decks4 decks
75%synergy
Tinybones Joins Up
75%inclusion3 decks4 decks
74%synergy
Rhystic Study
75%inclusion3 decks4 decks
42%synergy
Mirrormade
75%inclusion3 decks4 decks
65%synergy
Copy Artifact
75%inclusion3 decks4 decks
74%synergy
Necropotence
75%inclusion3 decks4 decks
68%synergy
Static Prison
75%inclusion3 decks4 decks
74%synergy
Chains of Mephistopheles
75%inclusion3 decks4 decks
75%synergy
Counterbalance
50%inclusion2 decks4 decks
48%synergy
The Meathook Massacre
50%inclusion2 decks4 decks
47%synergy
Steal Enchantment
50%inclusion2 decks4 decks
49%synergy
Blind Obedience
50%inclusion2 decks4 decks
38%synergy
Ripples of Undeath
25%inclusion1 decks4 decks
22%synergy
Starfield of Nyx
25%inclusion1 decks4 decks
21%synergy
Sphere of Safety
25%inclusion1 decks4 decks
16%synergy
Secret Arcade // Dusty Parlor
25%inclusion1 decks4 decks
20%synergy
Teval's Judgment
25%inclusion1 decks4 decks
24%synergy
Copy Enchantment
25%inclusion1 decks4 decks
20%synergy
Monologue Tax
25%inclusion1 decks4 decks
19%synergy
Planeswalkers
Tezzeret, Cruel Captain
25%inclusion1 decks4 decks
23%synergy
Utility Lands
Otawara, Soaring City
75%inclusion3 decks4 decks
56%synergy
Serra's Sanctum
75%inclusion3 decks4 decks
73%synergy
Emergence Zone
50%inclusion2 decks4 decks
48%synergy
Urza's Saga
25%inclusion1 decks4 decks
13%synergy
Urborg, Tomb of Yawgmoth
25%inclusion1 decks4 decks
12%synergy
Hall of Heliod's Generosity
25%inclusion1 decks4 decks
12%synergy
Mistrise Village
25%inclusion1 decks4 decks
21%synergy
Cabal Coffers
25%inclusion1 decks4 decks
22%synergy
Cephalid Coliseum
25%inclusion1 decks4 decks
21%synergy
City of Traitors
25%inclusion1 decks4 decks
24%synergy
Mana Artifacts
Arcane Signet
100%inclusion4 decks4 decks
12%synergy
Sol Ring
100%inclusion4 decks4 decks
10%synergy
Mox Diamond
100%inclusion4 decks4 decks
93%synergy
Grim Monolith
75%inclusion3 decks4 decks
71%synergy
Lotus Petal
75%inclusion3 decks4 decks
64%synergy
Talisman of Dominance
75%inclusion3 decks4 decks
26%synergy
Mox Opal
75%inclusion3 decks4 decks
66%synergy
Lion's Eye Diamond
75%inclusion3 decks4 decks
73%synergy
Mox Amber
50%inclusion2 decks4 decks
44%synergy
Fellwar Stone
50%inclusion2 decks4 decks
16%synergy
Talisman of Hierarchy
50%inclusion2 decks4 decks
7%synergy
Lands
Tundra
100%inclusion4 decks4 decks
84%synergy
Command Tower
100%inclusion4 decks4 decks
8%synergy
Underground Sea
100%inclusion4 decks4 decks
84%synergy
Godless Shrine
100%inclusion4 decks4 decks
50%synergy
Gemstone Caverns
100%inclusion4 decks4 decks
92%synergy
Scrubland
100%inclusion4 decks4 decks
84%synergy
Marsh Flats
100%inclusion4 decks4 decks
64%synergy
Polluted Delta
100%inclusion4 decks4 decks
63%synergy
Hallowed Fountain
100%inclusion4 decks4 decks
51%synergy
Flooded Strand
100%inclusion4 decks4 decks
62%synergy
Watery Grave
100%inclusion4 decks4 decks
50%synergy
Morphic Pool
75%inclusion3 decks4 decks
41%synergy
Mana Confluence
75%inclusion3 decks4 decks
61%synergy
City of Brass
75%inclusion3 decks4 decks
60%synergy
Arid Mesa
75%inclusion3 decks4 decks
65%synergy
Bloodstained Mire
75%inclusion3 decks4 decks
64%synergy
Vault of Champions
50%inclusion2 decks4 decks
17%synergy
Undercity Sewers
50%inclusion2 decks4 decks
36%synergy
Misty Rainforest
50%inclusion2 decks4 decks
39%synergy
Windswept Heath
50%inclusion2 decks4 decks
40%synergy
Verdant Catacombs
50%inclusion2 decks4 decks
40%synergy
Cavern of Souls
50%inclusion2 decks4 decks
43%synergy
Scalding Tarn
50%inclusion2 decks4 decks
39%synergy
Starting Town
50%inclusion2 decks4 decks
46%synergy
Gemstone Mine
25%inclusion1 decks4 decks
25%synergy
Exotic Orchard
25%inclusion1 decks4 decks
-33%synergy
Valgavoth's Lair
25%inclusion1 decks4 decks
22%synergy
Sea of Clouds
25%inclusion1 decks4 decks
-11%synergy
Meticulous Archive
25%inclusion1 decks4 decks
11%synergy
Gloomlake Verge
25%inclusion1 decks4 decks
14%synergy
Floodfarm Verge
25%inclusion1 decks4 decks
14%synergy
Silent Clearing
25%inclusion1 decks4 decks
22%synergy
Shadowy Backstreet
25%inclusion1 decks4 decks
13%synergy
Swamp
25%inclusion1 decks4 decks
-66%synergy
Raffine's Tower
25%inclusion1 decks4 decks
-16%synergy
Island
25%inclusion1 decks4 decks
-68%synergy
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