The Master of Keys (Commander) - Expensive cEDH

The Master of Keys
Rank #315
55decks
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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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Instants
Sorceries
Utility Artifacts
Enchantments
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Utility Lands
Mana Artifacts
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Wan Shi Tong, Librarian
75%inclusion6 decks8 decks
70%synergy
High Synergy Cards
Intuition
93%inclusion51 decks55 decks
91%synergy
Necromancy
95%inclusion52 decks55 decks
90%synergy
Entomb
96%inclusion53 decks55 decks
89%synergy
Abdel Adrian, Gorion's Ward
91%inclusion50 decks55 decks
89%synergy
Tainted Pact
93%inclusion51 decks55 decks
85%synergy
Animate Dead
95%inclusion52 decks55 decks
85%synergy
Dance of the Dead
85%inclusion47 decks55 decks
83%synergy
Dress Down
85%inclusion47 decks55 decks
83%synergy
Force of Negation
93%inclusion51 decks55 decks
81%synergy
Mindbreak Trap
87%inclusion48 decks55 decks
80%synergy
Top Cards
Esper Sentinel
100%inclusion55 decks55 decks
72%synergy
Mystic Remora
100%inclusion55 decks55 decks
78%synergy
Dark Ritual
96%inclusion53 decks55 decks
77%synergy
Smothering Tithe
95%inclusion52 decks55 decks
62%synergy
Swan Song
95%inclusion52 decks55 decks
75%synergy
Mental Misstep
87%inclusion48 decks55 decks
80%synergy
Silence
87%inclusion48 decks55 decks
77%synergy
Orcish Bowmasters
87%inclusion48 decks55 decks
76%synergy
Imperial Seal
85%inclusion47 decks55 decks
78%synergy
Flusterstorm
85%inclusion47 decks55 decks
77%synergy
Game Changers
Force of Will
100%inclusion55 decks55 decks
87%synergy
Mana Vault
100%inclusion55 decks55 decks
90%synergy
Rhystic Study
98%inclusion54 decks55 decks
66%synergy
Enlightened Tutor
98%inclusion54 decks55 decks
78%synergy
Vampiric Tutor
98%inclusion54 decks55 decks
80%synergy
Mox Diamond
98%inclusion54 decks55 decks
91%synergy
Ancient Tomb
98%inclusion54 decks55 decks
85%synergy
Demonic Tutor
98%inclusion54 decks55 decks
77%synergy
Chrome Mox
98%inclusion54 decks55 decks
88%synergy
Thassa's Oracle
96%inclusion53 decks55 decks
86%synergy
Creatures
Ranger-Captain of Eos
82%inclusion45 decks55 decks
75%synergy
Grand Abolisher
82%inclusion45 decks55 decks
67%synergy
Lotho, Corrupt Shirriff
80%inclusion44 decks55 decks
63%synergy
Valley Floodcaller
71%inclusion39 decks55 decks
67%synergy
Voice of Victory
61%inclusion22 decks36 decks
53%synergy
Displacer Kitten
53%inclusion29 decks55 decks
45%synergy
Opposition Agent
53%inclusion29 decks55 decks
44%synergy
Auriok Salvagers
49%inclusion27 decks55 decks
49%synergy
Mockingbird
47%inclusion26 decks55 decks
43%synergy
Archivist of Oghma
44%inclusion24 decks55 decks
37%synergy
Lurrus of the Dream-Den
44%inclusion24 decks55 decks
42%synergy
Ledger Shredder
40%inclusion22 decks55 decks
31%synergy
Hullbreaker Horror
38%inclusion21 decks55 decks
32%synergy
Drannith Magistrate
36%inclusion20 decks55 decks
28%synergy
Tataru Taru
27%inclusion8 decks30 decks
18%synergy
Hedron Crab
25%inclusion14 decks55 decks
25%synergy
Faerie Mastermind
24%inclusion13 decks55 decks
14%synergy
Phyrexian Metamorph
22%inclusion12 decks55 decks
13%synergy
Ghostly Pilferer
22%inclusion12 decks55 decks
15%synergy
Psychic Frog
16%inclusion9 decks55 decks
10%synergy
Talion, the Kindly Lord
16%inclusion9 decks55 decks
8%synergy
High Fae Trickster
13%inclusion7 decks53 decks
9%synergy
Pollywog Prodigy
13%inclusion7 decks55 decks
9%synergy
Snapcaster Mage
11%inclusion6 decks55 decks
9%synergy
Emet-Selch of the Third Seat
10%inclusion3 decks30 decks
0%synergy
Gilded Drake
9.1%inclusion5 decks55 decks
7%synergy
Hoarding Broodlord
9.1%inclusion5 decks55 decks
7%synergy
Malevolent Hermit
9.1%inclusion5 decks55 decks
8%synergy
Doom Whisperer
7.3%inclusion4 decks55 decks
6%synergy
Overlord of the Balemurk
7.3%inclusion4 decks55 decks
5%synergy
Leonin Relic-Warder
7.3%inclusion4 decks55 decks
7%synergy
Dauthi Voidwalker
7.3%inclusion4 decks55 decks
1%synergy
Symbiote Spider-Man
5.9%inclusion1 decks17 decks
5%synergy
Volatile Stormdrake
5.5%inclusion3 decks55 decks
4%synergy
Scrabbling Skullcrab
5.5%inclusion3 decks55 decks
4%synergy
Zur the Enchanter
5.5%inclusion3 decks55 decks
0%synergy
Instants
Demonic Consultation
80%inclusion44 decks55 decks
72%synergy
Pact of Negation
78%inclusion43 decks55 decks
70%synergy
Fierce Guardianship
71%inclusion39 decks55 decks
50%synergy
Borne Upon a Wind
69%inclusion38 decks55 decks
64%synergy
Swords to Plowshares
67%inclusion37 decks55 decks
-1%synergy
Cabal Ritual
56%inclusion31 decks55 decks
53%synergy
Mystical Tutor
56%inclusion31 decks55 decks
45%synergy
Cyclonic Rift
55%inclusion30 decks55 decks
30%synergy
Gifts Ungiven
49%inclusion27 decks55 decks
47%synergy
An Offer You Can't Refuse
45%inclusion25 decks55 decks
19%synergy
Mana Drain
40%inclusion22 decks55 decks
22%synergy
Into the Flood Maw
38%inclusion21 decks55 decks
34%synergy
Darkblast
31%inclusion17 decks55 decks
31%synergy
Sink into Stupor
27%inclusion15 decks55 decks
15%synergy
Chain of Vapor
25%inclusion14 decks55 decks
22%synergy
Retraction Helix
20%inclusion11 decks55 decks
19%synergy
Ad Nauseam
18%inclusion10 decks55 decks
16%synergy
Brain Freeze
18%inclusion10 decks55 decks
18%synergy
Culling the Weak
18%inclusion10 decks55 decks
17%synergy
Banishing Knack
15%inclusion8 decks55 decks
14%synergy
Path to Exile
11%inclusion6 decks55 decks
-31%synergy
Deadly Rollick
11%inclusion6 decks55 decks
-3%synergy
Dispel
9.1%inclusion5 decks55 decks
5%synergy
Strix Serenade
9.1%inclusion5 decks55 decks
5%synergy
Spell Pierce
9.1%inclusion5 decks55 decks
6%synergy
Louisoix's Sacrifice
7.7%inclusion2 decks26 decks
7%synergy
Flare of Denial
7.3%inclusion4 decks55 decks
5%synergy
Muddle the Mixture
7.3%inclusion4 decks55 decks
3%synergy
Orim's Chant
7.3%inclusion4 decks55 decks
6%synergy
Lim-Dûl's Vault
7.3%inclusion4 decks55 decks
4%synergy
Miscast
5.5%inclusion3 decks55 decks
4%synergy
Sacrifice
5.5%inclusion3 decks55 decks
5%synergy
Saw in Half
5.5%inclusion3 decks55 decks
3%synergy
Sorceries
Sevinne's Reclamation
73%inclusion40 decks55 decks
64%synergy
Lively Dirge
33%inclusion18 decks55 decks
31%synergy
Reanimate
33%inclusion18 decks55 decks
17%synergy
Windfall
29%inclusion16 decks55 decks
15%synergy
Beseech the Mirror
29%inclusion16 decks55 decks
25%synergy
Toxic Deluge
24%inclusion13 decks55 decks
4%synergy
Demonic Counsel
16%inclusion9 decks55 decks
15%synergy
Yawgmoth's Will
13%inclusion7 decks55 decks
11%synergy
Timetwister
11%inclusion6 decks55 decks
10%synergy
Diabolic Intent
9.1%inclusion5 decks55 decks
4%synergy
Unmarked Grave
9.1%inclusion5 decks55 decks
8%synergy
Cabal Therapy
7.3%inclusion4 decks55 decks
7%synergy
Transmute Artifact
7.3%inclusion4 decks55 decks
6%synergy
Gitaxian Probe
5.5%inclusion3 decks55 decks
3%synergy
Praetor's Grasp
5.5%inclusion3 decks55 decks
3%synergy
Mnemonic Betrayal
5.5%inclusion3 decks55 decks
2%synergy
Space-Time Anomaly
5.3%inclusion1 decks19 decks
3%synergy
Utility Artifacts
The One Ring
75%inclusion41 decks55 decks
61%synergy
Wishclaw Talisman
60%inclusion33 decks55 decks
52%synergy
Vexing Bauble
15%inclusion8 decks55 decks
13%synergy
Mesmeric Orb
9.1%inclusion5 decks55 decks
8%synergy
Sensei's Divining Top
5.5%inclusion3 decks55 decks
-5%synergy
Cursed Totem
5.5%inclusion3 decks55 decks
3%synergy
Altar of the Brood
5.5%inclusion3 decks55 decks
4%synergy
Enchantments
Tinybones Joins Up
75%inclusion41 decks55 decks
73%synergy
Chains of Mephistopheles
71%inclusion39 decks55 decks
71%synergy
Amphibian Downpour
62%inclusion34 decks55 decks
57%synergy
Copy Artifact
60%inclusion33 decks55 decks
59%synergy
The Meathook Massacre
58%inclusion32 decks55 decks
55%synergy
Necropotence
58%inclusion32 decks55 decks
51%synergy
Ripples of Undeath
51%inclusion28 decks55 decks
48%synergy
Mirrormade
51%inclusion28 decks55 decks
41%synergy
Blind Obedience
51%inclusion28 decks55 decks
38%synergy
Static Prison
49%inclusion27 decks55 decks
49%synergy
Touch the Spirit Realm
42%inclusion23 decks55 decks
39%synergy
Steal Enchantment
42%inclusion23 decks55 decks
41%synergy
Counterbalance
29%inclusion16 decks55 decks
27%synergy
Founding the Third Path
29%inclusion16 decks55 decks
29%synergy
Trouble in Pairs
22%inclusion12 decks55 decks
16%synergy
Monologue Tax
16%inclusion9 decks55 decks
10%synergy
Copy Enchantment
16%inclusion9 decks55 decks
12%synergy
Aura of Silence
11%inclusion6 decks55 decks
8%synergy
Charitable Levy
11%inclusion6 decks55 decks
11%synergy
Leyline of Anticipation
9.1%inclusion5 decks55 decks
5%synergy
Power Artifact
9.1%inclusion5 decks55 decks
9%synergy
Teval's Judgment
8.3%inclusion3 decks36 decks
7%synergy
Seal of Cleansing
7.3%inclusion4 decks55 decks
6%synergy
Stillness in Motion
5.7%inclusion2 decks35 decks
5%synergy
Seal of Removal
5.5%inclusion3 decks55 decks
5%synergy
Dance of Many
5.5%inclusion3 decks55 decks
5%synergy
Second Chance
5.5%inclusion3 decks55 decks
5%synergy
Planeswalkers
Teferi, Time Raveler
47%inclusion26 decks55 decks
39%synergy
Tezzeret, Cruel Captain
8.3%inclusion2 decks24 decks
6%synergy
Utility Lands
Otawara, Soaring City
89%inclusion49 decks55 decks
70%synergy
Urza's Saga
38%inclusion21 decks55 decks
26%synergy
Cephalid Coliseum
33%inclusion18 decks55 decks
29%synergy
Emergence Zone
33%inclusion18 decks55 decks
31%synergy
City of Traitors
33%inclusion18 decks55 decks
32%synergy
Minamo, School at Water's Edge
29%inclusion16 decks55 decks
25%synergy
Serra's Sanctum
27%inclusion15 decks55 decks
25%synergy
Bazaar of Baghdad
11%inclusion6 decks55 decks
11%synergy
Takenuma, Abandoned Mire
11%inclusion6 decks55 decks
4%synergy
Urborg, Tomb of Yawgmoth
11%inclusion6 decks55 decks
-2%synergy
Mistrise Village
8.3%inclusion3 decks36 decks
5%synergy
Hall of Heliod's Generosity
7.3%inclusion4 decks55 decks
-6%synergy
Phyrexian Tower
5.5%inclusion3 decks55 decks
2%synergy
Mana Artifacts
Sol Ring
100%inclusion55 decks55 decks
10%synergy
Lotus Petal
96%inclusion53 decks55 decks
86%synergy
Arcane Signet
96%inclusion53 decks55 decks
9%synergy
Lion's Eye Diamond
91%inclusion50 decks55 decks
89%synergy
Mox Opal
84%inclusion46 decks55 decks
75%synergy
Talisman of Dominance
75%inclusion41 decks55 decks
26%synergy
Fellwar Stone
69%inclusion38 decks55 decks
35%synergy
Grim Monolith
53%inclusion29 decks55 decks
49%synergy
Talisman of Progress
42%inclusion23 decks55 decks
-1%synergy
Mox Amber
40%inclusion22 decks55 decks
34%synergy
Talisman of Hierarchy
20%inclusion11 decks55 decks
-23%synergy
Basalt Monolith
11%inclusion6 decks55 decks
9%synergy
Dimir Signet
5.5%inclusion3 decks55 decks
-27%synergy
Lands
Flooded Strand
100%inclusion55 decks55 decks
62%synergy
Tundra
100%inclusion55 decks55 decks
84%synergy
Scrubland
100%inclusion55 decks55 decks
84%synergy
Underground Sea
100%inclusion55 decks55 decks
84%synergy
Marsh Flats
100%inclusion55 decks55 decks
64%synergy
Polluted Delta
100%inclusion55 decks55 decks
63%synergy
Hallowed Fountain
98%inclusion54 decks55 decks
49%synergy
Command Tower
98%inclusion54 decks55 decks
6%synergy
Watery Grave
98%inclusion54 decks55 decks
49%synergy
Godless Shrine
95%inclusion52 decks55 decks
45%synergy
Gemstone Caverns
93%inclusion51 decks55 decks
85%synergy
Misty Rainforest
87%inclusion48 decks55 decks
76%synergy
Mana Confluence
87%inclusion48 decks55 decks
73%synergy
City of Brass
87%inclusion48 decks55 decks
72%synergy
Verdant Catacombs
78%inclusion43 decks55 decks
68%synergy
Bloodstained Mire
76%inclusion42 decks55 decks
65%synergy
Scalding Tarn
76%inclusion42 decks55 decks
65%synergy
Windswept Heath
71%inclusion39 decks55 decks
61%synergy
Morphic Pool
64%inclusion35 decks55 decks
29%synergy
Arid Mesa
60%inclusion33 decks55 decks
50%synergy
Exotic Orchard
58%inclusion32 decks55 decks
0%synergy
Undercity Sewers
53%inclusion29 decks55 decks
39%synergy
Sea of Clouds
44%inclusion24 decks55 decks
8%synergy
Vault of Champions
42%inclusion23 decks55 decks
9%synergy
Island
36%inclusion20 decks55 decks
-56%synergy
Swamp
33%inclusion18 decks55 decks
-58%synergy
Sink into Stupor
27%inclusion15 decks55 decks
15%synergy
Starting Town
27%inclusion8 decks30 decks
23%synergy
Shadowy Backstreet
24%inclusion13 decks55 decks
11%synergy
Cavern of Souls
24%inclusion13 decks55 decks
17%synergy
Meticulous Archive
22%inclusion12 decks55 decks
8%synergy
Plains
20%inclusion11 decks55 decks
-71%synergy
Talon Gates of Madara
11%inclusion6 decks55 decks
10%synergy
Spire of Industry
11%inclusion6 decks55 decks
2%synergy
Underground River
9.1%inclusion5 decks55 decks
-23%synergy
Raffine's Tower
9.1%inclusion5 decks55 decks
-32%synergy
Forbidden Orchard
9.1%inclusion5 decks55 decks
6%synergy
Floodfarm Verge
9.1%inclusion5 decks55 decks
-2%synergy
Gloomlake Verge
7.3%inclusion4 decks55 decks
-4%synergy
Caves of Koilos
5.5%inclusion3 decks55 decks
-30%synergy
Silent Clearing
5.5%inclusion3 decks55 decks
3%synergy
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