Seizan, Perverter of Truth (Commander) - Upgraded Group Slug

Seizan, Perverter of Truth
Rank #1,392
26decks
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Jeremy Rowe
Oct 10, 2025
Jeremy Rowe
Building Specter Typal with Urgoros, the Empty One
Wanna build a typal Commander deck with a spooky creature type for Halloween? We've got you covered with this Specter deck, led by Urgoros.
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Utility Lands
Mana Artifacts
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Decorum Dissertation
40%inclusion2 decks5 decks
36%synergy
Savanti Romero, Time's Exile
11%inclusion1 decks9 decks
10%synergy
Game Over
11%inclusion1 decks9 decks
10%synergy
High Synergy Cards
Underworld Dreams
92%inclusion24 decks26 decks
86%synergy
Fate Unraveler
88%inclusion23 decks26 decks
85%synergy
Scrawling Crawler
88%inclusion21 decks24 decks
84%synergy
Ob Nixilis, the Hate-Twisted
85%inclusion22 decks26 decks
82%synergy
Howling Mine
85%inclusion22 decks26 decks
81%synergy
Psychosis Crawler
81%inclusion21 decks26 decks
77%synergy
Dark Deal
85%inclusion22 decks26 decks
74%synergy
Font of Mythos
73%inclusion19 decks26 decks
71%synergy
Master of the Feast
69%inclusion18 decks26 decks
67%synergy
Temple Bell
65%inclusion17 decks26 decks
63%synergy
Top Cards
Crypt Ghast
88%inclusion23 decks26 decks
41%synergy
Jet Medallion
69%inclusion18 decks26 decks
7%synergy
Gray Merchant of Asphodel
65%inclusion17 decks26 decks
14%synergy
Toxic Deluge
65%inclusion17 decks26 decks
29%synergy
Damnable Pact
62%inclusion16 decks26 decks
57%synergy
Baleful Mastery
62%inclusion16 decks26 decks
53%synergy
Bloodchief Ascension
62%inclusion16 decks26 decks
52%synergy
Peer into the Abyss
58%inclusion15 decks26 decks
47%synergy
Sheoldred, the Apocalypse
58%inclusion15 decks26 decks
43%synergy
Dark Ritual
58%inclusion15 decks26 decks
-9%synergy
Game Changers
Orcish Bowmasters
65%inclusion17 decks26 decks
52%synergy
Demonic Tutor
50%inclusion13 decks26 decks
23%synergy
Vampiric Tutor
27%inclusion7 decks26 decks
6%synergy
Opposition Agent
15%inclusion4 decks26 decks
6%synergy
Bolas's Citadel
12%inclusion3 decks26 decks
-17%synergy
Tergrid, God of Fright
12%inclusion3 decks26 decks
4%synergy
Necropotence
12%inclusion3 decks26 decks
-3%synergy
The One Ring
7.7%inclusion2 decks26 decks
-2%synergy
Creatures
Doomsday Excruciator
48%inclusion12 decks25 decks
46%synergy
Sangromancer
42%inclusion11 decks26 decks
32%synergy
Viseling
35%inclusion9 decks26 decks
34%synergy
Nirkana Revenant
35%inclusion9 decks26 decks
24%synergy
Rankle, Master of Pranks
35%inclusion9 decks26 decks
22%synergy
Gix, Yawgmoth Praetor
31%inclusion8 decks26 decks
26%synergy
Gixian Puppeteer
31%inclusion8 decks26 decks
27%synergy
Vilis, Broker of Blood
27%inclusion7 decks26 decks
14%synergy
Gnat Miser
27%inclusion7 decks26 decks
24%synergy
Kagemaro, First to Suffer
27%inclusion7 decks26 decks
27%synergy
Erebos, God of the Dead
23%inclusion6 decks26 decks
19%synergy
Bloodletter of Aclazotz
23%inclusion6 decks26 decks
13%synergy
Boggart Trawler
23%inclusion6 decks26 decks
14%synergy
Oft-Nabbed Goat
22%inclusion2 decks9 decks
21%synergy
Bloodthirsty Conqueror
21%inclusion5 decks24 decks
12%synergy
Magus of the Coffers
19%inclusion5 decks26 decks
12%synergy
Howling Golem
19%inclusion5 decks26 decks
18%synergy
Locust Miser
19%inclusion5 decks26 decks
18%synergy
Archfiend of Despair
19%inclusion5 decks26 decks
17%synergy
Twilight Prophet
19%inclusion5 decks26 decks
13%synergy
Keen Duelist
19%inclusion5 decks26 decks
18%synergy
K'rrik, Son of Yawgmoth
19%inclusion5 decks26 decks
0%synergy
Syr Konrad, the Grim
15%inclusion4 decks26 decks
-5%synergy
Dread Presence
15%inclusion4 decks26 decks
1%synergy
Phyrexian Obliterator
15%inclusion4 decks26 decks
4%synergy
Kami of Jealous Thirst
15%inclusion4 decks26 decks
15%synergy
Zenith Chronicler
15%inclusion4 decks26 decks
14%synergy
Vislor Turlough
15%inclusion4 decks26 decks
15%synergy
Fell Specter
15%inclusion4 decks26 decks
11%synergy
Bloodgift Demon
15%inclusion4 decks26 decks
12%synergy
Solemn Simulacrum
12%inclusion3 decks26 decks
-11%synergy
Starscream, Power Hungry
12%inclusion3 decks26 decks
11%synergy
Burnished Hart
12%inclusion3 decks26 decks
4%synergy
Sheoldred, Whispering One
12%inclusion3 decks26 decks
0%synergy
Massacre Wurm
12%inclusion3 decks26 decks
-6%synergy
Archfiend of Depravity
12%inclusion3 decks26 decks
5%synergy
Skirge Familiar
12%inclusion3 decks26 decks
6%synergy
Cunning Lethemancer
12%inclusion3 decks26 decks
8%synergy
Dauthi Voidwalker
12%inclusion3 decks26 decks
-4%synergy
Mai, Scornful Striker
9.1%inclusion1 decks11 decks
7%synergy
Valgavoth, Terror Eater
8.0%inclusion2 decks25 decks
3%synergy
Tree of Perdition
7.7%inclusion2 decks26 decks
6%synergy
Dream Devourer
7.7%inclusion2 decks26 decks
7%synergy
Starving Revenant
7.7%inclusion2 decks26 decks
7%synergy
Plaguecrafter
7.7%inclusion2 decks26 decks
-12%synergy
Defiler of Flesh
7.7%inclusion2 decks26 decks
4%synergy
Runed Servitor
7.7%inclusion2 decks26 decks
7%synergy
Myojin of Night's Reach
7.7%inclusion2 decks26 decks
7%synergy
Mikaeus, the Unhallowed
7.7%inclusion2 decks26 decks
0%synergy
Vito, Thorn of the Dusk Rose
7.7%inclusion2 decks26 decks
-3%synergy
Instants
Defile
50%inclusion13 decks26 decks
14%synergy
Darkness
50%inclusion13 decks26 decks
40%synergy
Sudden Spoiling
46%inclusion12 decks26 decks
37%synergy
Malakir Rebirth
42%inclusion11 decks26 decks
19%synergy
Withering Torment
40%inclusion10 decks25 decks
9%synergy
Fell the Profane
35%inclusion9 decks26 decks
16%synergy
Imp's Mischief
35%inclusion9 decks26 decks
10%synergy
Consuming Corruption
31%inclusion8 decks26 decks
15%synergy
Infernal Grasp
31%inclusion8 decks26 decks
6%synergy
Deadly Rollick
27%inclusion7 decks26 decks
3%synergy
Bitter Triumph
27%inclusion7 decks26 decks
17%synergy
Snuff Out
23%inclusion6 decks26 decks
10%synergy
Blood Pact
23%inclusion6 decks26 decks
19%synergy
Archenemy's Charm
17%inclusion3 decks18 decks
8%synergy
Cabal Ritual
15%inclusion4 decks26 decks
-3%synergy
Consumed by Greed
12%inclusion3 decks25 decks
11%synergy
Go for the Throat
12%inclusion3 decks26 decks
-11%synergy
Soul Shatter
12%inclusion3 decks26 decks
0%synergy
Withering Boon
12%inclusion3 decks26 decks
7%synergy
Overkill
10%inclusion2 decks21 decks
3%synergy
Sheoldred's Edict
7.7%inclusion2 decks26 decks
-7%synergy
Moonlight Bargain
7.7%inclusion2 decks26 decks
7%synergy
March of Wretched Sorrow
7.7%inclusion2 decks26 decks
6%synergy
Erebos's Intervention
7.7%inclusion2 decks26 decks
6%synergy
Dismember
7.7%inclusion2 decks26 decks
-3%synergy
Sorceries
Feed the Swarm
58%inclusion15 decks26 decks
7%synergy
Exsanguinate
58%inclusion15 decks26 decks
33%synergy
Sign in Blood
54%inclusion14 decks26 decks
18%synergy
Damnation
50%inclusion13 decks26 decks
30%synergy
Mutilate
42%inclusion11 decks26 decks
25%synergy
Torment of Hailfire
35%inclusion9 decks26 decks
19%synergy
Bubbling Muck
35%inclusion9 decks26 decks
19%synergy
Insatiable Avarice
35%inclusion9 decks26 decks
23%synergy
Scheming Symmetry
31%inclusion8 decks26 decks
26%synergy
Blasphemous Edict
25%inclusion6 decks24 decks
8%synergy
Nightmare Unmaking
19%inclusion5 decks26 decks
19%synergy
Grim Tutor
19%inclusion5 decks26 decks
8%synergy
Risky Shortcut
17%inclusion4 decks24 decks
15%synergy
Temporal Extortion
15%inclusion4 decks26 decks
13%synergy
Pain's Reward
15%inclusion4 decks26 decks
15%synergy
Make an Example
12%inclusion3 decks26 decks
10%synergy
Decree of Pain
12%inclusion3 decks26 decks
6%synergy
Reanimate
12%inclusion3 decks26 decks
-28%synergy
Day of Black Sun
9.1%inclusion1 decks11 decks
7%synergy
Demonic Counsel
8.0%inclusion2 decks25 decks
5%synergy
Black Sun's Zenith
7.7%inclusion2 decks26 decks
2%synergy
Diabolic Tutor
7.7%inclusion2 decks26 decks
-7%synergy
Profane Tutor
7.7%inclusion2 decks26 decks
3%synergy
Yawgmoth's Will
7.7%inclusion2 decks26 decks
4%synergy
Duress
7.7%inclusion2 decks26 decks
1%synergy
Fraying Omnipotence
7.7%inclusion2 decks26 decks
6%synergy
Blood on the Snow
7.7%inclusion2 decks26 decks
7%synergy
Agadeem's Awakening
7.7%inclusion2 decks26 decks
0%synergy
Read the Bones
7.7%inclusion2 decks26 decks
-9%synergy
Painful Lesson
7.7%inclusion2 decks26 decks
7%synergy
Profane Command
7.7%inclusion2 decks26 decks
6%synergy
Doomsday
7.7%inclusion2 decks26 decks
7%synergy
Atrocious Experiment
7.7%inclusion2 decks26 decks
6%synergy
Corrupt
7.7%inclusion2 decks26 decks
5%synergy
Behold the Beyond
7.7%inclusion2 decks26 decks
7%synergy
Feast of Succession
7.7%inclusion2 decks26 decks
7%synergy
Ill-Gotten Gains
7.7%inclusion2 decks26 decks
7%synergy
Rise of the Dark Realms
7.7%inclusion2 decks26 decks
-5%synergy
Thoughtseize
7.7%inclusion2 decks26 decks
3%synergy
Languish
7.7%inclusion2 decks26 decks
6%synergy
Utility Artifacts
Teferi's Puzzle Box
54%inclusion14 decks26 decks
51%synergy
Horn of Greed
42%inclusion11 decks26 decks
41%synergy
Iron Maiden
42%inclusion11 decks26 decks
42%synergy
Ebony Owl Netsuke
35%inclusion9 decks26 decks
34%synergy
Expedition Map
31%inclusion8 decks26 decks
19%synergy
Anvil of Bogardan
27%inclusion7 decks26 decks
25%synergy
Lightning Greaves
27%inclusion7 decks26 decks
-7%synergy
Venser's Journal
27%inclusion7 decks26 decks
25%synergy
The Darkness Crystal
24%inclusion5 decks21 decks
4%synergy
Black Vise
23%inclusion6 decks26 decks
23%synergy
Memory Jar
23%inclusion6 decks26 decks
22%synergy
Skullcage
19%inclusion5 decks26 decks
19%synergy
Ivory Tower
19%inclusion5 decks26 decks
19%synergy
Alhammarret's Archive
19%inclusion5 decks26 decks
15%synergy
Geth's Grimoire
19%inclusion5 decks26 decks
12%synergy
Mindcrank
15%inclusion4 decks26 decks
10%synergy
Wayfarer's Bauble
12%inclusion3 decks26 decks
-4%synergy
Spellbook
12%inclusion3 decks26 decks
11%synergy
Bontu's Monument
12%inclusion3 decks26 decks
-17%synergy
Nevinyrral's Disk
12%inclusion3 decks26 decks
10%synergy
Swiftfoot Boots
12%inclusion3 decks26 decks
-20%synergy
Elixir of Immortality
7.7%inclusion2 decks26 decks
6%synergy
Eye of Vecna
7.7%inclusion2 decks26 decks
7%synergy
Hand of Vecna
7.7%inclusion2 decks26 decks
7%synergy
Vedalken Orrery
7.7%inclusion2 decks26 decks
7%synergy
Misers' Cage
7.7%inclusion2 decks26 decks
8%synergy
Otherworld Atlas
7.7%inclusion2 decks26 decks
7%synergy
Sword of War and Peace
7.7%inclusion2 decks26 decks
7%synergy
The Book of Vile Darkness
7.7%inclusion2 decks26 decks
7%synergy
Entropic Battlecruiser
6.3%inclusion1 decks16 decks
3%synergy
The Endstone
5.6%inclusion1 decks18 decks
4%synergy
Enchantments
Price of Knowledge
54%inclusion14 decks26 decks
53%synergy
Liliana's Caress
54%inclusion14 decks26 decks
48%synergy
Wound Reflection
50%inclusion13 decks26 decks
47%synergy
Megrim
38%inclusion10 decks26 decks
33%synergy
Exquisite Blood
38%inclusion10 decks26 decks
25%synergy
Waste Not
35%inclusion9 decks26 decks
24%synergy
Painful Quandary
31%inclusion8 decks26 decks
21%synergy
Phyrexian Arena
27%inclusion7 decks26 decks
-13%synergy
Unholy Annex // Ritual Chamber
24%inclusion6 decks25 decks
21%synergy
No Mercy
19%inclusion5 decks26 decks
12%synergy
Court of Ambition
15%inclusion4 decks26 decks
12%synergy
Sanguine Bond
15%inclusion4 decks26 decks
4%synergy
Curse of Fool's Wisdom
15%inclusion4 decks26 decks
15%synergy
Animate Dead
15%inclusion4 decks26 decks
-2%synergy
Black Market Connections
15%inclusion4 decks26 decks
-8%synergy
Raiders' Wake
15%inclusion4 decks26 decks
12%synergy
Oppression
15%inclusion4 decks26 decks
8%synergy
The Meathook Massacre
12%inclusion3 decks26 decks
-6%synergy
Bottomless Pit
12%inclusion3 decks26 decks
6%synergy
Oubliette
12%inclusion3 decks26 decks
9%synergy
Polluted Bonds
7.7%inclusion2 decks26 decks
6%synergy
Words of Waste
7.7%inclusion2 decks26 decks
6%synergy
Court of Locthwain
7.7%inclusion2 decks26 decks
6%synergy
Phyrexian Reclamation
7.7%inclusion2 decks26 decks
-2%synergy
Necrogen Mists
7.7%inclusion2 decks26 decks
3%synergy
Parker Luck
7.1%inclusion1 decks14 decks
6%synergy
Planeswalkers
Liliana of the Dark Realms
19%inclusion5 decks26 decks
5%synergy
Liliana of the Veil
12%inclusion3 decks26 decks
5%synergy
Ob Nixilis Reignited
7.7%inclusion2 decks26 decks
5%synergy
Liliana Vess
7.7%inclusion2 decks26 decks
4%synergy
Utility Lands
Cabal Coffers
88%inclusion23 decks26 decks
34%synergy
Bojuka Bog
81%inclusion21 decks26 decks
34%synergy
Reliquary Tower
81%inclusion21 decks26 decks
50%synergy
Mikokoro, Center of the Sea
65%inclusion17 decks26 decks
63%synergy
Cabal Stronghold
62%inclusion16 decks26 decks
27%synergy
Geier Reach Sanitarium
62%inclusion16 decks26 decks
51%synergy
Nykthos, Shrine to Nyx
50%inclusion13 decks26 decks
20%synergy
Urborg, Tomb of Yawgmoth
46%inclusion12 decks26 decks
9%synergy
Witch's Cottage
35%inclusion9 decks26 decks
10%synergy
Maze of Ith
27%inclusion7 decks26 decks
24%synergy
Takenuma, Abandoned Mire
27%inclusion7 decks26 decks
11%synergy
Thespian's Stage
23%inclusion6 decks26 decks
18%synergy
Mortuary Mire
19%inclusion5 decks26 decks
6%synergy
Buried Ruin
19%inclusion5 decks26 decks
14%synergy
Shizo, Death's Storehouse
15%inclusion4 decks26 decks
5%synergy
Vesuva
15%inclusion4 decks26 decks
13%synergy
Strip Mine
15%inclusion4 decks26 decks
13%synergy
Leechridden Swamp
15%inclusion4 decks26 decks
13%synergy
Ghost Quarter
12%inclusion3 decks26 decks
9%synergy
War Room
12%inclusion3 decks26 decks
-5%synergy
Field of Ruin
12%inclusion3 decks26 decks
9%synergy
Susur Secundi, Void Altar
11%inclusion2 decks18 decks
4%synergy
Adventurer's Inn
10%inclusion2 decks21 decks
8%synergy
Urza's Saga
7.7%inclusion2 decks26 decks
0%synergy
Scavenger Grounds
7.7%inclusion2 decks26 decks
6%synergy
Spymaster's Vault
7.7%inclusion2 decks26 decks
-2%synergy
Terrain Generator
7.7%inclusion2 decks26 decks
6%synergy
Castle Locthwain
7.7%inclusion2 decks26 decks
-9%synergy
Bonders' Enclave
7.7%inclusion2 decks26 decks
7%synergy
Mana Artifacts
Sol Ring
92%inclusion24 decks26 decks
7%synergy
Thought Vessel
77%inclusion20 decks26 decks
51%synergy
Arcane Signet
69%inclusion18 decks26 decks
7%synergy
Mind Stone
35%inclusion9 decks26 decks
6%synergy
Caged Sun
23%inclusion6 decks26 decks
12%synergy
Decanter of Endless Water
19%inclusion5 decks26 decks
16%synergy
Throne of Eldraine
15%inclusion4 decks26 decks
6%synergy
Coveted Jewel
15%inclusion4 decks26 decks
14%synergy
Extraplanar Lens
15%inclusion4 decks26 decks
10%synergy
Everflowing Chalice
12%inclusion3 decks26 decks
6%synergy
Charcoal Diamond
12%inclusion3 decks26 decks
-11%synergy
Sceptre of Eternal Glory
12%inclusion3 decks26 decks
3%synergy
Fellwar Stone
7.7%inclusion2 decks26 decks
-7%synergy
The Soul Stone
6.3%inclusion1 decks16 decks
-8%synergy
Lands
Swamp
88%inclusion23 decks26 decks
-7%synergy
Malakir Rebirth
42%inclusion11 decks26 decks
19%synergy
Fell the Profane
35%inclusion9 decks26 decks
16%synergy
Myriad Landscape
23%inclusion6 decks26 decks
-2%synergy
Boggart Trawler
23%inclusion6 decks26 decks
14%synergy
Urza's Cave
19%inclusion5 decks26 decks
11%synergy
Demolition Field
15%inclusion4 decks26 decks
10%synergy
Snow-Covered Swamp
12%inclusion3 decks26 decks
5%synergy
Agadeem's Awakening
7.7%inclusion2 decks26 decks
0%synergy
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