Seizan, Perverter of Truth (Commander) - Group Slug

Jeremy Rowe
Oct 10, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Decorum Dissertation
23%inclusion3 decks13 decks
19%synergy
Cost of Brilliance
7.7%inclusion1 decks13 decks
7%synergy
Wander Off
7.7%inclusion1 decks13 decks
7%synergy
Send in the Pest
7.7%inclusion1 decks13 decks
6%synergy
High Synergy Cards
Underworld Dreams
95%inclusion74 decks78 decks
89%synergy
Fate Unraveler
90%inclusion70 decks78 decks
87%synergy
Howling Mine
90%inclusion70 decks78 decks
86%synergy
Ob Nixilis, the Hate-Twisted
82%inclusion64 decks78 decks
80%synergy
Font of Mythos
78%inclusion61 decks78 decks
76%synergy
Scrawling Crawler
79%inclusion58 decks73 decks
76%synergy
Temple Bell
72%inclusion56 decks78 decks
69%synergy
Psychosis Crawler
72%inclusion56 decks78 decks
68%synergy
Dark Deal
78%inclusion61 decks78 decks
67%synergy
Master of the Feast
67%inclusion52 decks78 decks
64%synergy
Top Cards
Crypt Ghast
76%inclusion59 decks78 decks
28%synergy
Jet Medallion
69%inclusion54 decks78 decks
7%synergy
Dark Ritual
67%inclusion52 decks78 decks
0%synergy
Gray Merchant of Asphodel
63%inclusion49 decks78 decks
12%synergy
Baleful Mastery
63%inclusion49 decks78 decks
54%synergy
Peer into the Abyss
62%inclusion48 decks78 decks
51%synergy
Feed the Swarm
62%inclusion48 decks78 decks
11%synergy
Sheoldred, the Apocalypse
58%inclusion45 decks78 decks
43%synergy
Teferi's Puzzle Box
55%inclusion43 decks78 decks
52%synergy
Price of Knowledge
55%inclusion43 decks78 decks
55%synergy
Game Changers
Orcish Bowmasters
47%inclusion37 decks78 decks
34%synergy
Demonic Tutor
32%inclusion25 decks78 decks
5%synergy
Vampiric Tutor
19%inclusion15 decks78 decks
-2%synergy
Tergrid, God of Fright
18%inclusion14 decks78 decks
10%synergy
Opposition Agent
6.4%inclusion5 decks78 decks
-3%synergy
Ancient Tomb
6.4%inclusion5 decks78 decks
-5%synergy
Bolas's Citadel
6.4%inclusion5 decks78 decks
-22%synergy
Necropotence
5.1%inclusion4 decks78 decks
-10%synergy
Glacial Chasm
5.1%inclusion4 decks78 decks
5%synergy
Creatures
Sangromancer
53%inclusion41 decks78 decks
42%synergy
Rankle, Master of Pranks
46%inclusion36 decks78 decks
34%synergy
Viseling
44%inclusion34 decks78 decks
43%synergy
Gixian Puppeteer
40%inclusion31 decks78 decks
36%synergy
Howling Golem
33%inclusion26 decks78 decks
32%synergy
Erebos, God of the Dead
32%inclusion25 decks78 decks
27%synergy
Zenith Chronicler
31%inclusion24 decks78 decks
29%synergy
Kagemaro, First to Suffer
31%inclusion24 decks78 decks
30%synergy
Nirkana Revenant
28%inclusion22 decks78 decks
17%synergy
Gnat Miser
28%inclusion22 decks78 decks
25%synergy
Doomsday Excruciator
28%inclusion21 decks76 decks
25%synergy
Fell Specter
27%inclusion21 decks78 decks
23%synergy
Boggart Trawler
23%inclusion18 decks78 decks
14%synergy
Gix, Yawgmoth Praetor
23%inclusion18 decks78 decks
18%synergy
Kami of Jealous Thirst
22%inclusion17 decks78 decks
22%synergy
Solemn Simulacrum
21%inclusion16 decks78 decks
-2%synergy
Locust Miser
21%inclusion16 decks78 decks
19%synergy
Bloodgift Demon
21%inclusion16 decks78 decks
17%synergy
Dread Presence
19%inclusion15 decks78 decks
5%synergy
Dream Devourer
18%inclusion14 decks78 decks
17%synergy
Magus of the Coffers
18%inclusion14 decks78 decks
11%synergy
Vilis, Broker of Blood
17%inclusion13 decks78 decks
4%synergy
K'rrik, Son of Yawgmoth
15%inclusion12 decks78 decks
-4%synergy
Massacre Wurm
15%inclusion12 decks78 decks
-2%synergy
Bloodthirsty Conqueror
15%inclusion11 decks73 decks
6%synergy
Bloodletter of Aclazotz
14%inclusion11 decks78 decks
4%synergy
Syr Konrad, the Grim
14%inclusion11 decks78 decks
-6%synergy
Keen Duelist
14%inclusion11 decks78 decks
13%synergy
Dauthi Voidwalker
14%inclusion11 decks78 decks
-1%synergy
Oft-Nabbed Goat
13%inclusion3 decks23 decks
12%synergy
Phyrexian Obliterator
13%inclusion10 decks78 decks
2%synergy
Mindslicer
13%inclusion10 decks78 decks
8%synergy
Skirge Familiar
13%inclusion10 decks78 decks
8%synergy
Vislor Turlough
13%inclusion10 decks78 decks
13%synergy
Burnished Hart
12%inclusion9 decks78 decks
4%synergy
Cunning Lethemancer
12%inclusion9 decks78 decks
8%synergy
Elder Brain
12%inclusion9 decks78 decks
9%synergy
Archfiend of Despair
12%inclusion9 decks78 decks
9%synergy
Leaden Myr
12%inclusion9 decks78 decks
6%synergy
Aclazotz, Deepest Betrayal
10%inclusion8 decks78 decks
4%synergy
Raven Eagle
9.4%inclusion3 decks32 decks
8%synergy
Creeping Bloodsucker
7.7%inclusion6 decks78 decks
3%synergy
Starving Revenant
7.7%inclusion6 decks78 decks
7%synergy
Bone Miser
7.7%inclusion6 decks78 decks
6%synergy
Ornithopter of Paradise
7.7%inclusion6 decks78 decks
5%synergy
Twilight Prophet
7.7%inclusion6 decks78 decks
2%synergy
Archfiend of Depravity
7.7%inclusion6 decks78 decks
1%synergy
Necrogoyf
7.7%inclusion6 decks78 decks
3%synergy
Plaguecrafter
6.4%inclusion5 decks78 decks
-14%synergy
Runed Servitor
6.4%inclusion5 decks78 decks
6%synergy
Instants
Withering Torment
49%inclusion36 decks74 decks
17%synergy
Defile
47%inclusion37 decks78 decks
11%synergy
Imp's Mischief
45%inclusion35 decks78 decks
20%synergy
Darkness
42%inclusion33 decks78 decks
32%synergy
Sudden Spoiling
31%inclusion24 decks78 decks
22%synergy
Infernal Grasp
29%inclusion23 decks78 decks
4%synergy
Fell the Profane
28%inclusion22 decks78 decks
9%synergy
Deadly Rollick
28%inclusion22 decks78 decks
4%synergy
Malakir Rebirth
28%inclusion22 decks78 decks
5%synergy
Consuming Corruption
26%inclusion20 decks78 decks
10%synergy
Blood Pact
22%inclusion17 decks78 decks
18%synergy
Bitter Triumph
17%inclusion13 decks78 decks
7%synergy
Snuff Out
15%inclusion12 decks78 decks
2%synergy
Archenemy's Charm
15%inclusion7 decks48 decks
6%synergy
Go for the Throat
13%inclusion10 decks78 decks
-10%synergy
Soul Shatter
13%inclusion10 decks78 decks
1%synergy
Withering Boon
12%inclusion9 decks78 decks
7%synergy
Sheoldred's Edict
9.0%inclusion7 decks78 decks
-6%synergy
Cabal Ritual
9.0%inclusion7 decks78 decks
-9%synergy
Hellish Rebuke
9.0%inclusion7 decks78 decks
8%synergy
March of Wretched Sorrow
9.0%inclusion7 decks78 decks
7%synergy
Erebos's Intervention
9.0%inclusion7 decks78 decks
7%synergy
Consumed by Greed
8.0%inclusion6 decks75 decks
7%synergy
Doom Blade
7.7%inclusion6 decks78 decks
0%synergy
Murder
7.7%inclusion6 decks78 decks
-2%synergy
Tragic Slip
6.4%inclusion5 decks78 decks
-13%synergy
Dismember
6.4%inclusion5 decks78 decks
-4%synergy
Overkill
5.7%inclusion3 decks53 decks
-1%synergy
Hero's Downfall
5.1%inclusion4 decks78 decks
-2%synergy
Force of Despair
5.1%inclusion4 decks78 decks
-3%synergy
Slaughter Pact
5.1%inclusion4 decks78 decks
3%synergy
Tendrils of Corruption
5.1%inclusion4 decks78 decks
2%synergy
Sorceries
Toxic Deluge
53%inclusion41 decks78 decks
16%synergy
Sign in Blood
47%inclusion37 decks78 decks
12%synergy
Damnation
46%inclusion36 decks78 decks
26%synergy
Damnable Pact
45%inclusion35 decks78 decks
41%synergy
Exsanguinate
42%inclusion33 decks78 decks
18%synergy
Bubbling Muck
41%inclusion32 decks78 decks
26%synergy
Mutilate
41%inclusion32 decks78 decks
24%synergy
Insatiable Avarice
27%inclusion21 decks78 decks
15%synergy
Torment of Hailfire
23%inclusion18 decks78 decks
8%synergy
Reanimate
21%inclusion16 decks78 decks
-19%synergy
Scheming Symmetry
19%inclusion15 decks78 decks
15%synergy
Blasphemous Edict
19%inclusion14 decks73 decks
3%synergy
Pain's Reward
18%inclusion14 decks78 decks
17%synergy
Temporal Extortion
18%inclusion14 decks78 decks
16%synergy
Syphon Mind
18%inclusion14 decks78 decks
6%synergy
Ill-Gotten Gains
17%inclusion13 decks78 decks
16%synergy
Deadly Tempest
15%inclusion12 decks78 decks
13%synergy
Diabolic Tutor
14%inclusion11 decks78 decks
0%synergy
Nightmare Unmaking
13%inclusion10 decks78 decks
12%synergy
Read the Bones
13%inclusion10 decks78 decks
-4%synergy
Grim Tutor
12%inclusion9 decks78 decks
0%synergy
Blood on the Snow
9.0%inclusion7 decks78 decks
8%synergy
Night's Whisper
9.0%inclusion7 decks78 decks
-16%synergy
Profane Tutor
7.7%inclusion6 decks78 decks
3%synergy
Eldritch Pact
7.7%inclusion6 decks78 decks
7%synergy
Fraying Omnipotence
7.7%inclusion6 decks78 decks
6%synergy
Killing Wave
7.7%inclusion6 decks78 decks
5%synergy
Decree of Pain
7.7%inclusion6 decks78 decks
2%synergy
Risky Shortcut
7.5%inclusion5 decks67 decks
6%synergy
Cruelclaw's Heist
6.7%inclusion5 decks75 decks
4%synergy
Make an Example
6.4%inclusion5 decks78 decks
5%synergy
Beseech the Queen
6.4%inclusion5 decks78 decks
0%synergy
Coiling Rebirth
5.3%inclusion4 decks75 decks
4%synergy
Awaken the Erstwhile
5.1%inclusion4 decks78 decks
3%synergy
Repay in Kind
5.1%inclusion4 decks78 decks
3%synergy
Bad Deal
5.1%inclusion4 decks78 decks
4%synergy
Head Games
5.1%inclusion4 decks78 decks
5%synergy
Corrupt
5.1%inclusion4 decks78 decks
3%synergy
Rise of the Dark Realms
5.1%inclusion4 decks78 decks
-8%synergy
Exhume
5.1%inclusion4 decks78 decks
3%synergy
Beseech the Mirror
5.1%inclusion4 decks78 decks
-2%synergy
Game Over
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Iron Maiden
55%inclusion43 decks78 decks
55%synergy
Horn of Greed
46%inclusion36 decks78 decks
45%synergy
Venser's Journal
42%inclusion33 decks78 decks
41%synergy
Ebony Owl Netsuke
38%inclusion30 decks78 decks
38%synergy
Ivory Tower
31%inclusion24 decks78 decks
30%synergy
Expedition Map
29%inclusion23 decks78 decks
18%synergy
Lightning Greaves
27%inclusion21 decks78 decks
-7%synergy
Anvil of Bogardan
24%inclusion19 decks78 decks
22%synergy
Geth's Grimoire
23%inclusion18 decks78 decks
16%synergy
Black Vise
22%inclusion17 decks78 decks
22%synergy
Otherworld Atlas
19%inclusion15 decks78 decks
19%synergy
Wayfarer's Bauble
18%inclusion14 decks78 decks
3%synergy
Memory Jar
18%inclusion14 decks78 decks
17%synergy
Mindcrank
18%inclusion14 decks78 decks
13%synergy
Skullcage
15%inclusion12 decks78 decks
15%synergy
Misers' Cage
14%inclusion11 decks78 decks
14%synergy
Swiftfoot Boots
14%inclusion11 decks78 decks
-17%synergy
Bontu's Monument
13%inclusion10 decks78 decks
-16%synergy
Crawlspace
12%inclusion9 decks78 decks
11%synergy
Spellbook
12%inclusion9 decks78 decks
11%synergy
Sword of War and Peace
12%inclusion9 decks78 decks
11%synergy
Alhammarret's Archive
10%inclusion8 decks78 decks
6%synergy
The Darkness Crystal
9.3%inclusion5 decks54 decks
-11%synergy
Elixir of Immortality
7.7%inclusion6 decks78 decks
6%synergy
Entropic Battlecruiser
6.5%inclusion3 decks46 decks
3%synergy
Hand of Vecna
6.4%inclusion5 decks78 decks
6%synergy
Wishclaw Talisman
6.4%inclusion5 decks78 decks
0%synergy
Sensei's Divining Top
5.1%inclusion4 decks78 decks
-3%synergy
Eye of Vecna
5.1%inclusion4 decks78 decks
4%synergy
Vedalken Orrery
5.1%inclusion4 decks78 decks
5%synergy
Nevinyrral's Disk
5.1%inclusion4 decks78 decks
4%synergy
Ghirapur Orrery
5.1%inclusion4 decks78 decks
5%synergy
The Book of Vile Darkness
5.1%inclusion4 decks78 decks
5%synergy
Enchantments
Liliana's Caress
53%inclusion41 decks78 decks
47%synergy
Waste Not
49%inclusion38 decks78 decks
38%synergy
Bloodchief Ascension
49%inclusion38 decks78 decks
40%synergy
Megrim
47%inclusion37 decks78 decks
42%synergy
Wound Reflection
44%inclusion34 decks78 decks
40%synergy
No Mercy
31%inclusion24 decks78 decks
24%synergy
Painful Quandary
31%inclusion24 decks78 decks
21%synergy
Phyrexian Arena
27%inclusion21 decks78 decks
-13%synergy
Exquisite Blood
23%inclusion18 decks78 decks
10%synergy
Curse of Fool's Wisdom
18%inclusion14 decks78 decks
17%synergy
Raiders' Wake
18%inclusion14 decks78 decks
15%synergy
Oppression
17%inclusion13 decks78 decks
9%synergy
Words of Waste
13%inclusion10 decks78 decks
12%synergy
Animate Dead
12%inclusion9 decks78 decks
-6%synergy
Unholy Annex // Ritual Chamber
11%inclusion8 decks74 decks
8%synergy
Bottomless Pit
10%inclusion8 decks78 decks
5%synergy
Kaya's Ghostform
10%inclusion8 decks78 decks
0%synergy
Black Market Connections
10%inclusion8 decks78 decks
-14%synergy
Polluted Bonds
9.0%inclusion7 decks78 decks
7%synergy
The Meathook Massacre
9.0%inclusion7 decks78 decks
-8%synergy
Necrogen Mists
9.0%inclusion7 decks78 decks
5%synergy
Black Market
7.7%inclusion6 decks78 decks
-13%synergy
Court of Ambition
7.7%inclusion6 decks78 decks
4%synergy
Koskun Falls
7.7%inclusion6 decks78 decks
7%synergy
Hissing Miasma
7.7%inclusion6 decks78 decks
7%synergy
Oubliette
7.7%inclusion6 decks78 decks
5%synergy
Sanguine Bond
6.4%inclusion5 decks78 decks
-5%synergy
Dark Suspicions
6.4%inclusion5 decks78 decks
6%synergy
Revenge of Ravens
6.4%inclusion5 decks78 decks
4%synergy
Parker Luck
5.3%inclusion2 decks38 decks
4%synergy
Greed
5.1%inclusion4 decks78 decks
-2%synergy
Tainted Remedy
5.1%inclusion4 decks78 decks
4%synergy
Mindless Conscription
5.1%inclusion4 decks78 decks
5%synergy
Marchesa's Decree
5.1%inclusion4 decks78 decks
4%synergy
Planeswalkers
Liliana of the Dark Realms
12%inclusion9 decks78 decks
-2%synergy
Ob Nixilis Reignited
9.0%inclusion7 decks78 decks
7%synergy
Liliana of the Veil
6.4%inclusion5 decks78 decks
0%synergy
Utility Lands
Reliquary Tower
81%inclusion63 decks78 decks
50%synergy
Cabal Coffers
77%inclusion60 decks78 decks
22%synergy
Bojuka Bog
67%inclusion52 decks78 decks
20%synergy
Geier Reach Sanitarium
67%inclusion52 decks78 decks
56%synergy
Mikokoro, Center of the Sea
63%inclusion49 decks78 decks
60%synergy
Cabal Stronghold
56%inclusion44 decks78 decks
22%synergy
Urborg, Tomb of Yawgmoth
47%inclusion37 decks78 decks
10%synergy
Nykthos, Shrine to Nyx
40%inclusion31 decks78 decks
10%synergy
Witch's Cottage
32%inclusion25 decks78 decks
7%synergy
Thespian's Stage
19%inclusion15 decks78 decks
14%synergy
Maze of Ith
17%inclusion13 decks78 decks
13%synergy
Mortuary Mire
15%inclusion12 decks78 decks
2%synergy
Takenuma, Abandoned Mire
15%inclusion12 decks78 decks
0%synergy
Terrain Generator
14%inclusion11 decks78 decks
12%synergy
Buried Ruin
13%inclusion10 decks78 decks
8%synergy
Strip Mine
10%inclusion8 decks78 decks
7%synergy
Field of Ruin
10%inclusion8 decks78 decks
8%synergy
Vesuva
9.0%inclusion7 decks78 decks
6%synergy
Urza's Saga
9.0%inclusion7 decks78 decks
1%synergy
Shizo, Death's Storehouse
9.0%inclusion7 decks78 decks
-1%synergy
Barren Moor
7.7%inclusion6 decks78 decks
-2%synergy
Deserted Temple
7.7%inclusion6 decks78 decks
3%synergy
Castle Locthwain
7.7%inclusion6 decks78 decks
-9%synergy
Ghost Quarter
6.4%inclusion5 decks78 decks
4%synergy
War Room
6.4%inclusion5 decks78 decks
-10%synergy
Scavenger Grounds
6.4%inclusion5 decks78 decks
5%synergy
Leechridden Swamp
6.4%inclusion5 decks78 decks
4%synergy
Phyrexian Tower
5.1%inclusion4 decks78 decks
-20%synergy
Polluted Mire
5.1%inclusion4 decks78 decks
1%synergy
Mana Artifacts
Sol Ring
91%inclusion71 decks78 decks
5%synergy
Thought Vessel
79%inclusion62 decks78 decks
54%synergy
Arcane Signet
68%inclusion53 decks78 decks
6%synergy
Mind Stone
42%inclusion33 decks78 decks
13%synergy
Decanter of Endless Water
33%inclusion26 decks78 decks
30%synergy
Charcoal Diamond
23%inclusion18 decks78 decks
1%synergy
Caged Sun
19%inclusion15 decks78 decks
8%synergy
Coveted Jewel
14%inclusion11 decks78 decks
13%synergy
Throne of Eldraine
13%inclusion10 decks78 decks
3%synergy
Extraplanar Lens
13%inclusion10 decks78 decks
8%synergy
Fellwar Stone
12%inclusion9 decks78 decks
-3%synergy
Gilded Lotus
10%inclusion8 decks78 decks
5%synergy
The Soul Stone
9.3%inclusion4 decks43 decks
-5%synergy
Nyx Lotus
9.0%inclusion7 decks78 decks
3%synergy
Everflowing Chalice
7.7%inclusion6 decks78 decks
2%synergy
Worn Powerstone
7.7%inclusion6 decks78 decks
3%synergy
Gauntlet of Power
6.4%inclusion5 decks78 decks
3%synergy
Sceptre of Eternal Glory
6.4%inclusion5 decks78 decks
-2%synergy
Commander's Sphere
5.1%inclusion4 decks78 decks
-3%synergy
Thran Dynamo
5.1%inclusion4 decks78 decks
-1%synergy
Liquimetal Torque
5.1%inclusion4 decks78 decks
2%synergy
Lands
Swamp
85%inclusion66 decks78 decks
-11%synergy
Myriad Landscape
33%inclusion26 decks78 decks
8%synergy
Fell the Profane
28%inclusion22 decks78 decks
9%synergy
Malakir Rebirth
28%inclusion22 decks78 decks
5%synergy
Boggart Trawler
23%inclusion18 decks78 decks
14%synergy
Urza's Cave
19%inclusion15 decks78 decks
11%synergy
Snow-Covered Swamp
15%inclusion12 decks78 decks
9%synergy
Demolition Field
12%inclusion9 decks78 decks
6%synergy