The Master of Keys (Commander) - Budget Upgraded

The Master of Keys
Rank #315
40decks
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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
Moxfield
Scryfall
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Top Cards
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Utility Lands
Mana Artifacts
Lands
Back to Top
Fear of Sleep Paralysis
65%inclusion26 decks40 decks
59%synergy
Doomwake Giant
63%inclusion25 decks40 decks
57%synergy
Mesa Enchantress
65%inclusion26 decks40 decks
56%synergy
Starfield Mystic
63%inclusion25 decks40 decks
56%synergy
Inquisitive Glimmer
63%inclusion25 decks40 decks
55%synergy
Demon of Fate's Design
60%inclusion24 decks40 decks
54%synergy
Secret Arcade // Dusty Parlor
53%inclusion21 decks40 decks
47%synergy
Gravebreaker Lamia
48%inclusion19 decks40 decks
47%synergy
Victor, Valgavoth's Seneschal
48%inclusion19 decks40 decks
45%synergy
Scrabbling Skullcrab
45%inclusion18 decks40 decks
44%synergy
Top Cards
Entity Tracker
50%inclusion20 decks40 decks
43%synergy
Sigil of the Empty Throne
48%inclusion19 decks40 decks
42%synergy
Sphere of Safety
48%inclusion19 decks40 decks
38%synergy
Fear of Impostors
43%inclusion17 decks40 decks
41%synergy
Mirrormade
43%inclusion17 decks40 decks
33%synergy
Redress Fate
43%inclusion17 decks40 decks
36%synergy
Swords to Plowshares
43%inclusion17 decks40 decks
-26%synergy
Moon-Blessed Cleric
40%inclusion16 decks40 decks
35%synergy
Cemetery Tampering
38%inclusion15 decks40 decks
37%synergy
Ghostly Dancers
38%inclusion15 decks40 decks
35%synergy
Creatures
Ondu Spiritdancer
38%inclusion15 decks40 decks
31%synergy
Soaring Lightbringer
33%inclusion13 decks40 decks
27%synergy
Archetype of Imagination
33%inclusion13 decks40 decks
28%synergy
Silent Hallcreeper
30%inclusion12 decks40 decks
26%synergy
Aminatou, Veil Piercer
28%inclusion11 decks40 decks
26%synergy
Alseid of Life's Bounty
28%inclusion11 decks40 decks
26%synergy
Zur the Enchanter
28%inclusion11 decks40 decks
22%synergy
Archon of Sun's Grace
25%inclusion10 decks40 decks
20%synergy
Athreos, Shroud-Veiled
23%inclusion9 decks40 decks
18%synergy
Zur, Eternal Schemer
23%inclusion9 decks40 decks
19%synergy
Mindwrack Harpy
23%inclusion9 decks40 decks
22%synergy
Grim Guardian
20%inclusion8 decks40 decks
17%synergy
Solemn Simulacrum
18%inclusion7 decks40 decks
2%synergy
Fear of Infinity
18%inclusion7 decks40 decks
17%synergy
Overlord of the Floodpits
18%inclusion7 decks40 decks
14%synergy
Gremlin Tamer
18%inclusion7 decks40 decks
16%synergy
Ancient Cellarspawn
18%inclusion7 decks40 decks
14%synergy
Skullsnap Nuisance
18%inclusion7 decks40 decks
17%synergy
Heliod, the Radiant Dawn
15%inclusion6 decks40 decks
11%synergy
Balemurk Leech
15%inclusion6 decks40 decks
14%synergy
Fear of Isolation
15%inclusion6 decks40 decks
15%synergy
Sage of Mysteries
15%inclusion6 decks40 decks
15%synergy
Auramancer
13%inclusion5 decks40 decks
9%synergy
Verge Rangers
13%inclusion5 decks40 decks
11%synergy
Metamorphosis Fanatic
13%inclusion5 decks40 decks
8%synergy
Creeping Peeper
13%inclusion5 decks40 decks
12%synergy
Phenomenon Investigators
13%inclusion5 decks40 decks
12%synergy
Stinkweed Imp
13%inclusion5 decks40 decks
12%synergy
Fear of Surveillance
10%inclusion4 decks40 decks
10%synergy
Stitcher's Supplier
10%inclusion4 decks40 decks
9%synergy
Burnished Hart
10%inclusion4 decks40 decks
6%synergy
Arvinox, the Mind Flail
10%inclusion4 decks40 decks
8%synergy
Abdel Adrian, Gorion's Ward
10%inclusion4 decks40 decks
8%synergy
Ghostly Keybearer
10%inclusion4 decks40 decks
10%synergy
Optimistic Scavenger
10%inclusion4 decks40 decks
10%synergy
Stenn, Paranoid Partisan
10%inclusion4 decks40 decks
9%synergy
Enduring Curiosity
10%inclusion4 decks40 decks
2%synergy
Appendage Amalgam
10%inclusion4 decks40 decks
10%synergy
Summon: Anima
7.7%inclusion2 decks26 decks
7%synergy
Summon: Primal Garuda
7.7%inclusion2 decks26 decks
8%synergy
Jill, Shiva's Dominant
7.7%inclusion2 decks26 decks
7%synergy
Emet-Selch of the Third Seat
7.7%inclusion2 decks26 decks
-2%synergy
Fear of Failed Tests
7.5%inclusion3 decks40 decks
7%synergy
Overlord of the Balemurk
7.5%inclusion3 decks40 decks
5%synergy
Fate Unraveler
7.5%inclusion3 decks40 decks
7%synergy
Fear of the Dark
7.5%inclusion3 decks40 decks
7%synergy
Pearl-Ear, Imperial Advisor
7.5%inclusion3 decks40 decks
6%synergy
Nashi, Searcher in the Dark
7.5%inclusion3 decks40 decks
7%synergy
Baleful Eidolon
7.5%inclusion3 decks40 decks
7%synergy
Lurrus of the Dream-Den
7.5%inclusion3 decks40 decks
6%synergy
Instants
Arcane Denial
33%inclusion13 decks40 decks
12%synergy
Thirst for Meaning
25%inclusion10 decks40 decks
23%synergy
Inkshield
25%inclusion10 decks40 decks
16%synergy
Brainstorm
23%inclusion9 decks40 decks
5%synergy
Otherworldly Gaze
23%inclusion9 decks40 decks
20%synergy
Counterspell
23%inclusion9 decks40 decks
-19%synergy
Frantic Search
20%inclusion8 decks40 decks
3%synergy
Utter End
20%inclusion8 decks40 decks
13%synergy
Path to Exile
18%inclusion7 decks40 decks
-24%synergy
Negate
15%inclusion6 decks40 decks
-2%synergy
Return to Dust
15%inclusion6 decks40 decks
11%synergy
Get Out
15%inclusion6 decks40 decks
15%synergy
Fact or Fiction
13%inclusion5 decks40 decks
9%synergy
Void Rend
13%inclusion5 decks40 decks
-21%synergy
Telling Time
10%inclusion4 decks40 decks
8%synergy
Dark Ritual
7.5%inclusion3 decks40 decks
-12%synergy
Reality Shift
7.5%inclusion3 decks40 decks
6%synergy
Muddle the Mixture
7.5%inclusion3 decks40 decks
3%synergy
Dovin's Veto
7.5%inclusion3 decks40 decks
-17%synergy
Sublime Epiphany
7.5%inclusion3 decks40 decks
5%synergy
Stroke of Midnight
7.5%inclusion3 decks40 decks
0%synergy
Don't Make a Sound
7.5%inclusion3 decks40 decks
7%synergy
Murder
7.5%inclusion3 decks40 decks
6%synergy
Loran's Escape
5.0%inclusion2 decks40 decks
5%synergy
An Offer You Can't Refuse
5.0%inclusion2 decks40 decks
-21%synergy
Run Away Together
5.0%inclusion2 decks40 decks
5%synergy
Confounding Riddle
5.0%inclusion2 decks40 decks
5%synergy
Sink into Stupor
5.0%inclusion2 decks40 decks
-7%synergy
Shore Up
5.0%inclusion2 decks40 decks
5%synergy
Karametra's Blessing
5.0%inclusion2 decks40 decks
5%synergy
Refute
5.0%inclusion2 decks40 decks
2%synergy
Cancel
5.0%inclusion2 decks40 decks
4%synergy
Perplex
5.0%inclusion2 decks40 decks
4%synergy
Delay
5.0%inclusion2 decks40 decks
3%synergy
Glimmerburst
5.0%inclusion2 decks40 decks
4%synergy
Twist Reality
5.0%inclusion2 decks40 decks
5%synergy
Thraben Charm
5.0%inclusion2 decks40 decks
4%synergy
Slip Out the Back
5.0%inclusion2 decks40 decks
4%synergy
Thought Scour
5.0%inclusion2 decks40 decks
4%synergy
Jwari Disruption
5.0%inclusion2 decks40 decks
4%synergy
Neutralize
5.0%inclusion2 decks40 decks
4%synergy
Sorceries
Sevinne's Reclamation
28%inclusion11 decks40 decks
19%synergy
Time Wipe
25%inclusion10 decks40 decks
18%synergy
Extinguish All Hope
23%inclusion9 decks40 decks
21%synergy
Ponder
15%inclusion6 decks40 decks
6%synergy
Dance of the Manse
15%inclusion6 decks40 decks
11%synergy
Read the Bones
15%inclusion6 decks40 decks
11%synergy
Singularity Rupture
14%inclusion3 decks22 decks
11%synergy
Terminus
13%inclusion5 decks40 decks
8%synergy
Resurgent Belief
13%inclusion5 decks40 decks
10%synergy
Aminatou's Augury
13%inclusion5 decks40 decks
11%synergy
Diabolic Vision
13%inclusion5 decks40 decks
10%synergy
Open the Vaults
10%inclusion4 decks40 decks
9%synergy
Buried Alive
10%inclusion4 decks40 decks
6%synergy
Demonic Counsel
10%inclusion4 decks40 decks
9%synergy
Brilliant Restoration
10%inclusion4 decks40 decks
8%synergy
Lively Dirge
7.5%inclusion3 decks40 decks
6%synergy
Windfall
7.5%inclusion3 decks40 decks
-6%synergy
Glimpse the Unthinkable
7.5%inclusion3 decks40 decks
7%synergy
Winds of Rath
7.5%inclusion3 decks40 decks
5%synergy
Final Vengeance
7.5%inclusion3 decks40 decks
7%synergy
Traumatize
7.5%inclusion3 decks40 decks
7%synergy
Back for Seconds
7.5%inclusion3 decks40 decks
7%synergy
Come Back Wrong
5.0%inclusion2 decks40 decks
5%synergy
Split Up
5.0%inclusion2 decks40 decks
4%synergy
Entreat the Angels
5.0%inclusion2 decks40 decks
3%synergy
Ondu Inversion
5.0%inclusion2 decks40 decks
4%synergy
Inspiration from Beyond
5.0%inclusion2 decks40 decks
5%synergy
Portent
5.0%inclusion2 decks40 decks
1%synergy
Diabolic Tutor
5.0%inclusion2 decks40 decks
0%synergy
Open the Armory
5.0%inclusion2 decks40 decks
2%synergy
Cleansing Meditation
5.0%inclusion2 decks40 decks
5%synergy
Utility Artifacts
Cloud Key
15%inclusion6 decks40 decks
12%synergy
Keys to the House
15%inclusion6 decks40 decks
15%synergy
Whip of Erebos
10%inclusion4 decks40 decks
8%synergy
Swiftfoot Boots
7.5%inclusion3 decks40 decks
-16%synergy
Bagel and Schmear
6.3%inclusion1 decks16 decks
6%synergy
Wayfarer's Bauble
5.0%inclusion2 decks40 decks
-3%synergy
Skeleton Key
5.0%inclusion2 decks40 decks
5%synergy
Mystery Key
5.0%inclusion2 decks40 decks
5%synergy
Perpetual Timepiece
5.0%inclusion2 decks40 decks
5%synergy
Mask of the Schemer
5.0%inclusion2 decks40 decks
4%synergy
Heirloom Mirror
5.0%inclusion2 decks40 decks
5%synergy
Lightning Greaves
5.0%inclusion2 decks40 decks
-17%synergy
Bident of Thassa
5.0%inclusion2 decks40 decks
-4%synergy
Enchantments
Bottomless Pool // Locker Room
35%inclusion14 decks40 decks
33%synergy
Central Elevator // Promising Stairs
33%inclusion13 decks40 decks
32%synergy
The Tale of Tamiyo
33%inclusion13 decks40 decks
32%synergy
Amphibian Downpour
33%inclusion13 decks40 decks
28%synergy
Ripples of Undeath
30%inclusion12 decks40 decks
27%synergy
Seal of Cleansing
30%inclusion12 decks40 decks
28%synergy
Timely Ward
30%inclusion12 decks40 decks
25%synergy
Restricted Office // Lecture Hall
30%inclusion12 decks40 decks
28%synergy
Dress Down
30%inclusion12 decks40 decks
27%synergy
Grasp of Fate
30%inclusion12 decks40 decks
24%synergy
Ethereal Armor
30%inclusion12 decks40 decks
25%synergy
Monologue Tax
28%inclusion11 decks40 decks
21%synergy
The Eldest Reborn
28%inclusion11 decks40 decks
25%synergy
All That Glitters
28%inclusion11 decks40 decks
19%synergy
Defiled Crypt // Cadaver Lab
28%inclusion11 decks40 decks
27%synergy
Cramped Vents // Access Maze
25%inclusion10 decks40 decks
22%synergy
Extravagant Replication
23%inclusion9 decks40 decks
17%synergy
One with the Multiverse
23%inclusion9 decks40 decks
18%synergy
Derelict Attic // Widow's Walk
23%inclusion9 decks40 decks
22%synergy
Cacophony Unleashed
23%inclusion9 decks40 decks
21%synergy
Estrid's Invocation
23%inclusion9 decks40 decks
18%synergy
Shark Typhoon
20%inclusion8 decks40 decks
14%synergy
Polluted Cistern // Dim Oubliette
20%inclusion8 decks40 decks
19%synergy
Seal of Removal
20%inclusion8 decks40 decks
19%synergy
Unholy Annex // Ritual Chamber
20%inclusion8 decks40 decks
19%synergy
Nowhere to Run
20%inclusion8 decks40 decks
19%synergy
Stillness in Motion
20%inclusion7 decks35 decks
20%synergy
Search for Azcanta
20%inclusion8 decks40 decks
19%synergy
Cast Out
20%inclusion8 decks40 decks
17%synergy
Witness Protection
18%inclusion7 decks40 decks
16%synergy
Utter Insignificance
18%inclusion7 decks40 decks
17%synergy
Animate Dead
18%inclusion7 decks40 decks
8%synergy
Surgical Suite // Hospital Room
18%inclusion7 decks40 decks
17%synergy
Meat Locker // Drowned Diner
18%inclusion7 decks40 decks
17%synergy
Propaganda
18%inclusion7 decks40 decks
-9%synergy
Darksteel Mutation
15%inclusion6 decks40 decks
9%synergy
Chronic Flooding
15%inclusion6 decks40 decks
15%synergy
Life Insurance
15%inclusion6 decks40 decks
13%synergy
Underwater Tunnel // Slimy Aquarium
15%inclusion6 decks40 decks
15%synergy
Grievous Wound
15%inclusion6 decks40 decks
14%synergy
Soul Snare
15%inclusion6 decks40 decks
15%synergy
Curator's Ward
15%inclusion6 decks40 decks
12%synergy
Court of Ardenvale
13%inclusion5 decks40 decks
12%synergy
Copy Enchantment
13%inclusion5 decks40 decks
8%synergy
Funeral Room // Awakening Hall
13%inclusion5 decks40 decks
11%synergy
Mirror Room // Fractured Realm
13%inclusion5 decks40 decks
10%synergy
Imprisoned in the Moon
13%inclusion5 decks40 decks
6%synergy
Touch the Spirit Realm
13%inclusion5 decks40 decks
10%synergy
Mystic Remora
13%inclusion5 decks40 decks
-9%synergy
Secrets of the Dead
13%inclusion5 decks40 decks
12%synergy
Battles
Invasion of Theros
7.5%inclusion3 decks40 decks
6%synergy
Utility Lands
Hall of Heliod's Generosity
50%inclusion20 decks40 decks
37%synergy
Bojuka Bog
40%inclusion16 decks40 decks
13%synergy
Halimar Depths
23%inclusion9 decks40 decks
18%synergy
Reliquary Tower
10%inclusion4 decks40 decks
-24%synergy
Dakmor Salvage
10%inclusion4 decks40 decks
10%synergy
Hostile Hostel
5.0%inclusion2 decks40 decks
5%synergy
Creeping Tar Pit
5.0%inclusion2 decks40 decks
3%synergy
Arid Archway
5.0%inclusion2 decks40 decks
5%synergy
Celestial Colonnade
5.0%inclusion2 decks40 decks
4%synergy
Restless Anchorage
5.0%inclusion2 decks40 decks
4%synergy
Cephalid Coliseum
5.0%inclusion2 decks40 decks
1%synergy
Temple of the False God
5.0%inclusion2 decks40 decks
-3%synergy
Rogue's Passage
5.0%inclusion2 decks40 decks
-4%synergy
Pit of Offerings
5.0%inclusion2 decks40 decks
5%synergy
Guildless Commons
5.0%inclusion2 decks40 decks
5%synergy
Vault of the Archangel
5.0%inclusion2 decks40 decks
-1%synergy
Mana Artifacts
Arcane Signet
75%inclusion30 decks40 decks
-13%synergy
Sol Ring
73%inclusion29 decks40 decks
-17%synergy
Orzhov Signet
55%inclusion22 decks40 decks
20%synergy
Azorius Signet
53%inclusion21 decks40 decks
20%synergy
Talisman of Progress
28%inclusion11 decks40 decks
-15%synergy
Fellwar Stone
28%inclusion11 decks40 decks
-7%synergy
Talisman of Dominance
28%inclusion11 decks40 decks
-21%synergy
Mind Stone
28%inclusion11 decks40 decks
14%synergy
Dimir Signet
25%inclusion10 decks40 decks
-8%synergy
Talisman of Hierarchy
25%inclusion10 decks40 decks
-18%synergy
Commander's Sphere
15%inclusion6 decks40 decks
-4%synergy
Chromatic Lantern
7.5%inclusion3 decks40 decks
-6%synergy
Marble Diamond
7.5%inclusion3 decks40 decks
6%synergy
Sky Diamond
7.5%inclusion3 decks40 decks
6%synergy
Hourglass of the Lost
5.0%inclusion2 decks40 decks
5%synergy
Charcoal Diamond
5.0%inclusion2 decks40 decks
4%synergy
Lands
Island
100%inclusion40 decks40 decks
7%synergy
Plains
100%inclusion40 decks40 decks
9%synergy
Swamp
100%inclusion40 decks40 decks
9%synergy
Command Tower
88%inclusion35 decks40 decks
-5%synergy
Arcane Sanctum
75%inclusion30 decks40 decks
20%synergy
Caves of Koilos
65%inclusion26 decks40 decks
30%synergy
Adarkar Wastes
53%inclusion21 decks40 decks
22%synergy
Temple of Enlightenment
48%inclusion19 decks40 decks
30%synergy
Dimir Aqueduct
48%inclusion19 decks40 decks
33%synergy
Azorius Chancery
48%inclusion19 decks40 decks
33%synergy
Terramorphic Expanse
45%inclusion18 decks40 decks
28%synergy
Temple of Silence
45%inclusion18 decks40 decks
25%synergy
Orzhov Basilica
45%inclusion18 decks40 decks
29%synergy
Exotic Orchard
43%inclusion17 decks40 decks
-16%synergy
Underground River
43%inclusion17 decks40 decks
10%synergy
Evolving Wilds
43%inclusion17 decks40 decks
17%synergy
Prairie Stream
40%inclusion16 decks40 decks
-1%synergy
Sunken Hollow
38%inclusion15 decks40 decks
-2%synergy
Temple of Deceit
38%inclusion15 decks40 decks
19%synergy
Isolated Chapel
35%inclusion14 decks40 decks
-3%synergy
Obscura Storefront
35%inclusion14 decks40 decks
24%synergy
Tainted Field
30%inclusion12 decks40 decks
23%synergy
Skycloud Expanse
30%inclusion12 decks40 decks
15%synergy
Ash Barrens
30%inclusion12 decks40 decks
19%synergy
Darkwater Catacombs
28%inclusion11 decks40 decks
13%synergy
Glacial Fortress
28%inclusion11 decks40 decks
-12%synergy
Contaminated Landscape
28%inclusion11 decks40 decks
13%synergy
Tainted Isle
25%inclusion10 decks40 decks
19%synergy
Thriving Isle
25%inclusion10 decks40 decks
20%synergy
Thriving Heath
25%inclusion10 decks40 decks
20%synergy
Valgavoth's Lair
23%inclusion9 decks40 decks
20%synergy
Port Town
20%inclusion8 decks40 decks
3%synergy
Thriving Moor
20%inclusion8 decks40 decks
15%synergy
Myriad Landscape
18%inclusion7 decks40 decks
8%synergy
Path of Ancestry
18%inclusion7 decks40 decks
-10%synergy
Drowned Catacomb
18%inclusion7 decks40 decks
-17%synergy
Fetid Heath
18%inclusion7 decks40 decks
6%synergy
Choked Estuary
18%inclusion7 decks40 decks
1%synergy
Shineshadow Snarl
15%inclusion6 decks40 decks
5%synergy
Idyllic Beachfront
15%inclusion6 decks40 decks
11%synergy
Desolate Mire
13%inclusion5 decks40 decks
7%synergy
Sunlit Marsh
13%inclusion5 decks40 decks
8%synergy
Abandoned Campground
10%inclusion4 decks40 decks
9%synergy
Scoured Barrens
10%inclusion4 decks40 decks
3%synergy
Deserted Beach
10%inclusion4 decks40 decks
-11%synergy
Floodfarm Verge
10%inclusion4 decks40 decks
-1%synergy
Concealed Courtyard
10%inclusion4 decks40 decks
6%synergy
Irrigated Farmland
10%inclusion4 decks40 decks
3%synergy
Tranquil Cove
10%inclusion4 decks40 decks
4%synergy
Glacial Floodplain
7.5%inclusion3 decks40 decks
6%synergy
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