Tekuthal, Inquiry Dominus (Commander) - Upgraded Proliferate

Tekuthal, Inquiry Dominus
Rank #929
26decks
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Sikora
Oct 30, 2025
Sikora
How To Play Horrors Differently In Commander
It's the spookiest time of the year... are you thinking of brewing a deck full of Horrors? We've got some ideas for how to keep it unique!
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Pensive Professor
40%inclusion2 decks5 decks
38%synergy
Expansion Algorithm
40%inclusion2 decks5 decks
39%synergy
Procrastinate
20%inclusion1 decks5 decks
19%synergy
High Synergy Cards
Karn's Bastion
92%inclusion24 decks26 decks
87%synergy
Experimental Augury
92%inclusion24 decks26 decks
87%synergy
Flux Channeler
92%inclusion24 decks26 decks
87%synergy
Inexorable Tide
88%inclusion23 decks26 decks
84%synergy
Tezzeret's Gambit
88%inclusion23 decks26 decks
83%synergy
Dreamtide Whale
85%inclusion22 decks26 decks
80%synergy
Serum Snare
81%inclusion21 decks26 decks
77%synergy
Contentious Plan
81%inclusion21 decks26 decks
76%synergy
Thrummingbird
81%inclusion21 decks26 decks
76%synergy
Prologue to Phyresis
73%inclusion19 decks26 decks
70%synergy
Top Cards
Sapphire Medallion
81%inclusion21 decks26 decks
21%synergy
Reject Imperfection
69%inclusion18 decks26 decks
67%synergy
Ripples of Potential
65%inclusion17 decks26 decks
63%synergy
Contagion Engine
65%inclusion17 decks26 decks
64%synergy
Deepglow Skate
65%inclusion17 decks26 decks
64%synergy
Lulu, Stern Guardian
63%inclusion15 decks24 decks
60%synergy
Viral Drake
62%inclusion16 decks26 decks
60%synergy
Radstorm
62%inclusion16 decks26 decks
59%synergy
Insight Engine
57%inclusion13 decks23 decks
51%synergy
Steady Progress
54%inclusion14 decks26 decks
51%synergy
Game Changers
Rhystic Study
27%inclusion7 decks26 decks
-5%synergy
Narset, Parter of Veils
27%inclusion7 decks26 decks
16%synergy
Cyclonic Rift
27%inclusion7 decks26 decks
-6%synergy
Mystical Tutor
23%inclusion6 decks26 decks
1%synergy
The One Ring
7.7%inclusion2 decks26 decks
-5%synergy
Fierce Guardianship
7.7%inclusion2 decks26 decks
-15%synergy
Creatures
Myojin of Cryptic Dreams
50%inclusion13 decks26 decks
49%synergy
Blighted Agent
50%inclusion13 decks26 decks
48%synergy
Ingenious Prodigy
46%inclusion12 decks26 decks
45%synergy
Plague Myr
42%inclusion11 decks26 decks
41%synergy
Guildpact Informant
42%inclusion11 decks26 decks
41%synergy
Surge Conductor
35%inclusion8 decks23 decks
32%synergy
Malcolm, Alluring Scoundrel
35%inclusion9 decks26 decks
30%synergy
Myr Convert
35%inclusion9 decks26 decks
33%synergy
Coretapper
31%inclusion8 decks26 decks
30%synergy
Chasm Skulker
31%inclusion8 decks26 decks
18%synergy
Goldberry, River-Daughter
31%inclusion8 decks26 decks
30%synergy
Core Prowler
27%inclusion7 decks26 decks
26%synergy
Thing in the Ice
27%inclusion7 decks26 decks
26%synergy
Vexing Radgull
23%inclusion6 decks26 decks
23%synergy
Phyrexian Metamorph
23%inclusion6 decks26 decks
4%synergy
Hydroelectric Specimen
23%inclusion6 decks26 decks
9%synergy
Chrome Host Seedshark
23%inclusion6 decks26 decks
19%synergy
Ichorclaw Myr
23%inclusion6 decks26 decks
22%synergy
Jin-Gitaxias
23%inclusion6 decks26 decks
20%synergy
Benthic Biomancer
23%inclusion6 decks26 decks
22%synergy
Necropede
23%inclusion6 decks26 decks
22%synergy
Loch Mare
23%inclusion3 decks13 decks
22%synergy
Glen Elendra Guardian
23%inclusion3 decks13 decks
22%synergy
Spark Double
19%inclusion5 decks26 decks
6%synergy
Pollywog Prodigy
19%inclusion5 decks26 decks
15%synergy
Mindless Automaton
19%inclusion5 decks26 decks
19%synergy
Trinket Mage
19%inclusion5 decks26 decks
10%synergy
Walking Ballista
15%inclusion4 decks26 decks
10%synergy
Faerie Mastermind
15%inclusion4 decks26 decks
0%synergy
Lighthouse Chronologist
15%inclusion4 decks26 decks
14%synergy
Trophy Mage
12%inclusion3 decks26 decks
5%synergy
Silent Arbiter
12%inclusion3 decks26 decks
8%synergy
Defiler of Dreams
12%inclusion3 decks26 decks
3%synergy
Ledger Shredder
12%inclusion3 decks26 decks
5%synergy
Jin-Gitaxias, Progress Tyrant
12%inclusion3 decks26 decks
4%synergy
Ambling Stormshell
8.3%inclusion2 decks24 decks
8%synergy
O'aka, Traveling Merchant
8.3%inclusion2 decks24 decks
8%synergy
Eluge, the Shoreless Sea
7.7%inclusion2 decks26 decks
-1%synergy
Volatile Stormdrake
7.7%inclusion2 decks26 decks
5%synergy
Toothy, Imaginary Friend
7.7%inclusion2 decks26 decks
4%synergy
Spellseeker
7.7%inclusion2 decks26 decks
0%synergy
Drake Hatcher
7.7%inclusion2 decks26 decks
7%synergy
Sai, Master Thopterist
7.7%inclusion2 decks26 decks
-4%synergy
Summon: Shiva
7.7%inclusion2 decks26 decks
7%synergy
Jace, Vryn's Prodigy
7.7%inclusion2 decks26 decks
6%synergy
Mercurial Spelldancer
7.7%inclusion2 decks26 decks
5%synergy
Crystalline Crawler
7.7%inclusion2 decks26 decks
7%synergy
Stonecoil Serpent
7.7%inclusion2 decks26 decks
6%synergy
Simic Manipulator
7.7%inclusion2 decks26 decks
7%synergy
Corpse Cur
7.7%inclusion2 decks26 decks
7%synergy
Instants
Counterspell
50%inclusion13 decks26 decks
-16%synergy
Pongify
46%inclusion12 decks26 decks
6%synergy
Fuel for the Cause
42%inclusion11 decks26 decks
41%synergy
Sink into Stupor
38%inclusion10 decks26 decks
17%synergy
Rapid Hybridization
35%inclusion9 decks26 decks
0%synergy
Arcane Denial
35%inclusion9 decks26 decks
-2%synergy
Muddle the Mixture
31%inclusion8 decks26 decks
15%synergy
An Offer You Can't Refuse
31%inclusion8 decks26 decks
-7%synergy
High Tide
31%inclusion8 decks26 decks
-13%synergy
Aetherize
27%inclusion7 decks26 decks
-3%synergy
Mana Drain
23%inclusion6 decks26 decks
-4%synergy
Swan Song
23%inclusion6 decks26 decks
-4%synergy
Negate
19%inclusion5 decks26 decks
-18%synergy
Brainstorm
19%inclusion5 decks26 decks
-22%synergy
Reality Shift
19%inclusion5 decks26 decks
-7%synergy
Resculpt
19%inclusion5 decks26 decks
2%synergy
Evacuation
19%inclusion5 decks26 decks
11%synergy
Frantic Search
15%inclusion4 decks26 decks
-15%synergy
Engulf the Shore
15%inclusion4 decks26 decks
8%synergy
Aspirant's Ascent
15%inclusion4 decks26 decks
15%synergy
Whir of Invention
12%inclusion3 decks26 decks
-1%synergy
Blue Sun's Zenith
12%inclusion3 decks26 decks
0%synergy
Slip Out the Back
12%inclusion3 decks26 decks
4%synergy
Corrupted Resolve
12%inclusion3 decks26 decks
11%synergy
Jwari Disruption
12%inclusion3 decks26 decks
7%synergy
Pull from Tomorrow
12%inclusion3 decks26 decks
2%synergy
Cyber Conversion
7.7%inclusion2 decks26 decks
4%synergy
Bring the Ending
7.7%inclusion2 decks26 decks
7%synergy
Opt
7.7%inclusion2 decks26 decks
-17%synergy
Archmage's Charm
7.7%inclusion2 decks26 decks
-9%synergy
Disallow
7.7%inclusion2 decks26 decks
1%synergy
Delay
7.7%inclusion2 decks26 decks
4%synergy
Cryptic Command
7.7%inclusion2 decks26 decks
-4%synergy
Force of Negation
7.7%inclusion2 decks26 decks
-8%synergy
Flow of Knowledge
7.7%inclusion2 decks26 decks
-8%synergy
Narset's Reversal
7.7%inclusion2 decks26 decks
-5%synergy
Long River's Pull
7.7%inclusion2 decks26 decks
3%synergy
Spider-Sense
5.0%inclusion1 decks20 decks
2%synergy
Sorceries
Vivisurgeon's Insight
46%inclusion12 decks26 decks
44%synergy
Fabricate
35%inclusion9 decks26 decks
14%synergy
Sea Gate Restoration
23%inclusion6 decks26 decks
8%synergy
Merchant Scroll
19%inclusion5 decks26 decks
11%synergy
Solve the Equation
19%inclusion5 decks26 decks
7%synergy
Distorted Curiosity
15%inclusion4 decks26 decks
15%synergy
Ponder
12%inclusion3 decks26 decks
-18%synergy
Finale of Revelation
12%inclusion3 decks26 decks
4%synergy
Preordain
12%inclusion3 decks26 decks
-12%synergy
Windfall
7.7%inclusion2 decks26 decks
-15%synergy
Gitaxian Probe
7.7%inclusion2 decks26 decks
-3%synergy
Stock Up
7.7%inclusion2 decks26 decks
4%synergy
Season of Weaving
7.7%inclusion2 decks26 decks
2%synergy
Irenicus's Vile Duplication
7.7%inclusion2 decks26 decks
0%synergy
Spectral Deluge
7.7%inclusion2 decks26 decks
-3%synergy
Impede Momentum
7.7%inclusion2 decks26 decks
7%synergy
Timetwister
7.7%inclusion2 decks26 decks
6%synergy
Utility Artifacts
Contagion Clasp
50%inclusion13 decks26 decks
49%synergy
Darksteel Reactor
46%inclusion12 decks26 decks
45%synergy
Magistrate's Scepter
42%inclusion11 decks26 decks
41%synergy
Lux Cannon
38%inclusion10 decks26 decks
37%synergy
Sword of Truth and Justice
35%inclusion9 decks26 decks
34%synergy
Ichormoon Gauntlet
31%inclusion8 decks26 decks
29%synergy
Transmogrifying Wand
27%inclusion7 decks26 decks
26%synergy
Lost Jitte
27%inclusion7 decks26 decks
27%synergy
Throne of Geth
23%inclusion6 decks26 decks
22%synergy
Recon Craft Theta
23%inclusion6 decks26 decks
23%synergy
Swiftfoot Boots
23%inclusion6 decks26 decks
-5%synergy
Lightning Greaves
23%inclusion6 decks26 decks
-3%synergy
The Millennium Calendar
19%inclusion5 decks26 decks
17%synergy
Manifold Key
15%inclusion4 decks26 decks
8%synergy
Prosthetic Injector
15%inclusion4 decks26 decks
15%synergy
The Magic Mirror
15%inclusion4 decks26 decks
9%synergy
Energy Chamber
15%inclusion4 decks26 decks
15%synergy
Peter Parker's Camera
15%inclusion3 decks20 decks
14%synergy
Moxite Refinery
13%inclusion3 decks23 decks
12%synergy
Uthros Research Craft
13%inclusion3 decks23 decks
6%synergy
Voltaic Key
12%inclusion3 decks26 decks
6%synergy
Gavel of the Righteous
12%inclusion3 decks26 decks
11%synergy
Moonsilver Key
12%inclusion3 decks26 decks
9%synergy
Surge Node
12%inclusion3 decks26 decks
11%synergy
Eternity Vessel
12%inclusion3 decks26 decks
11%synergy
Grafted Exoskeleton
12%inclusion3 decks26 decks
11%synergy
The Ozolith
7.7%inclusion2 decks26 decks
7%synergy
Umezawa's Jitte
7.7%inclusion2 decks26 decks
7%synergy
Oracle's Vault
7.7%inclusion2 decks26 decks
8%synergy
Portal to Phyrexia
7.7%inclusion2 decks26 decks
3%synergy
Titan Forge
7.7%inclusion2 decks26 decks
7%synergy
Mindsplice Apparatus
7.7%inclusion2 decks26 decks
3%synergy
Golem Foundry
7.7%inclusion2 decks26 decks
7%synergy
Tome of Legends
7.7%inclusion2 decks26 decks
7%synergy
Lux Artillery
7.7%inclusion2 decks26 decks
7%synergy
The Chain Veil
7.7%inclusion2 decks26 decks
7%synergy
Clearwater Goblet
7.7%inclusion2 decks26 decks
8%synergy
Enchantments
As Foretold
50%inclusion13 decks26 decks
46%synergy
Mesmerizing Dose
42%inclusion11 decks26 decks
41%synergy
Propaganda
38%inclusion10 decks26 decks
7%synergy
Ominous Seas
35%inclusion9 decks26 decks
23%synergy
Wizard Class
23%inclusion6 decks26 decks
6%synergy
Lost in the Maze
23%inclusion6 decks26 decks
21%synergy
Archmage Ascension
23%inclusion6 decks26 decks
21%synergy
Corrupted Conscience
19%inclusion5 decks26 decks
17%synergy
Imprisoned in the Moon
15%inclusion4 decks26 decks
3%synergy
Mystic Remora
15%inclusion4 decks26 decks
-11%synergy
Proft's Eidetic Memory
12%inclusion3 decks26 decks
3%synergy
Teferi's Ageless Insight
7.7%inclusion2 decks26 decks
-10%synergy
Omniscience
7.7%inclusion2 decks26 decks
-1%synergy
Planeswalkers
Tezzeret, Artifice Master
35%inclusion9 decks26 decks
31%synergy
Tezzeret the Seeker
27%inclusion7 decks26 decks
18%synergy
Teferi, Master of Time
27%inclusion7 decks26 decks
22%synergy
Tamiyo, the Moon Sage
19%inclusion5 decks26 decks
18%synergy
Teferi, Temporal Archmage
15%inclusion4 decks26 decks
14%synergy
Teferi, Temporal Pilgrim
15%inclusion4 decks26 decks
10%synergy
Mordenkainen
15%inclusion4 decks26 decks
13%synergy
Jace, the Mind Sculptor
15%inclusion4 decks26 decks
12%synergy
Vronos, Masked Inquisitor
15%inclusion4 decks26 decks
15%synergy
Jace, Unraveler of Secrets
15%inclusion4 decks26 decks
14%synergy
Kasmina, Enigmatic Mentor
15%inclusion4 decks26 decks
14%synergy
Ugin, the Spirit Dragon
15%inclusion4 decks26 decks
14%synergy
Tezzeret, Cruel Captain
13%inclusion3 decks23 decks
7%synergy
Mu Yanling
12%inclusion3 decks26 decks
11%synergy
Ugin, the Ineffable
7.7%inclusion2 decks26 decks
6%synergy
Mu Yanling, Sky Dancer
7.7%inclusion2 decks26 decks
7%synergy
Jace, Architect of Thought
7.7%inclusion2 decks26 decks
7%synergy
Jace, Wielder of Mysteries
7.7%inclusion2 decks26 decks
-7%synergy
Tezzeret, Betrayer of Flesh
7.7%inclusion2 decks26 decks
5%synergy
Jace Beleren
7.7%inclusion2 decks26 decks
4%synergy
Jace, Cunning Castaway
7.7%inclusion2 decks26 decks
7%synergy
Utility Lands
Mystic Sanctuary
69%inclusion18 decks26 decks
19%synergy
Nesting Grounds
65%inclusion17 decks26 decks
63%synergy
Mage-Ring Network
58%inclusion15 decks26 decks
57%synergy
Reliquary Tower
42%inclusion11 decks26 decks
-14%synergy
Uthros, Titanic Godcore
35%inclusion8 decks23 decks
25%synergy
Inkmoth Nexus
35%inclusion9 decks26 decks
33%synergy
Nykthos, Shrine to Nyx
35%inclusion9 decks26 decks
18%synergy
Seat of the Synod
31%inclusion8 decks26 decks
12%synergy
Academy Ruins
31%inclusion8 decks26 decks
12%synergy
Saprazzan Skerry
31%inclusion8 decks26 decks
28%synergy
Otawara, Soaring City
31%inclusion8 decks26 decks
5%synergy
Rogue's Passage
31%inclusion8 decks26 decks
15%synergy
Urza's Saga
27%inclusion7 decks26 decks
10%synergy
War Room
23%inclusion6 decks26 decks
8%synergy
Blast Zone
19%inclusion5 decks26 decks
17%synergy
Tolaria West
19%inclusion5 decks26 decks
14%synergy
Mistrise Village
17%inclusion4 decks24 decks
8%synergy
Buried Ruin
15%inclusion4 decks26 decks
3%synergy
Drannith Ruins
15%inclusion4 decks26 decks
15%synergy
Saprazzan Cove
15%inclusion4 decks26 decks
15%synergy
Sand Silos
12%inclusion3 decks26 decks
11%synergy
Diamond City
12%inclusion3 decks26 decks
11%synergy
Inventors' Fair
12%inclusion3 decks26 decks
-1%synergy
Terrain Generator
12%inclusion3 decks26 decks
4%synergy
Archway of Innovation
12%inclusion3 decks26 decks
1%synergy
Agna Qel'a
11%inclusion2 decks18 decks
4%synergy
Interplanar Beacon
7.7%inclusion2 decks26 decks
7%synergy
Minamo, School at Water's Edge
7.7%inclusion2 decks26 decks
-5%synergy
Tyrite Sanctum
7.7%inclusion2 decks26 decks
6%synergy
Vesuva
7.7%inclusion2 decks26 decks
6%synergy
Mystifying Maze
7.7%inclusion2 decks26 decks
7%synergy
Lonely Sandbar
7.7%inclusion2 decks26 decks
-6%synergy
Darksteel Citadel
7.7%inclusion2 decks26 decks
-4%synergy
Deserted Temple
7.7%inclusion2 decks26 decks
7%synergy
Thespian's Stage
7.7%inclusion2 decks26 decks
5%synergy
Temple of the False God
7.7%inclusion2 decks26 decks
-2%synergy
Access Tunnel
7.7%inclusion2 decks26 decks
6%synergy
Mana Artifacts
Everflowing Chalice
92%inclusion24 decks26 decks
76%synergy
Astral Cornucopia
85%inclusion22 decks26 decks
82%synergy
Sol Ring
73%inclusion19 decks26 decks
-12%synergy
Staff of Compleation
69%inclusion18 decks26 decks
67%synergy
Glistening Sphere
50%inclusion13 decks26 decks
49%synergy
Replicating Ring
42%inclusion11 decks26 decks
40%synergy
Arcane Signet
38%inclusion10 decks26 decks
-26%synergy
Midnight Clock
38%inclusion10 decks26 decks
18%synergy
Empowered Autogenerator
35%inclusion9 decks26 decks
33%synergy
The Aetherspark
31%inclusion8 decks26 decks
30%synergy
Thought Vessel
31%inclusion8 decks26 decks
-21%synergy
Aetheric Amplifier
27%inclusion7 decks26 decks
26%synergy
Strixhaven Stadium
19%inclusion5 decks26 decks
18%synergy
Coalition Relic
12%inclusion3 decks26 decks
11%synergy
Caged Sun
12%inclusion3 decks26 decks
1%synergy
Sky Diamond
12%inclusion3 decks26 decks
-11%synergy
Throne of Eldraine
12%inclusion3 decks26 decks
3%synergy
Fellwar Stone
12%inclusion3 decks26 decks
-8%synergy
Nyx Lotus
12%inclusion3 decks26 decks
8%synergy
Extraplanar Lens
12%inclusion3 decks26 decks
4%synergy
Pyramid of the Pantheon
12%inclusion3 decks26 decks
11%synergy
Pentad Prism
7.7%inclusion2 decks26 decks
7%synergy
Liquimetal Torque
7.7%inclusion2 decks26 decks
1%synergy
Misleading Signpost
7.7%inclusion2 decks26 decks
4%synergy
Lands
Island
92%inclusion24 decks26 decks
-1%synergy
Sink into Stupor
38%inclusion10 decks26 decks
17%synergy
Myriad Landscape
35%inclusion9 decks26 decks
9%synergy
The Mycosynth Gardens
27%inclusion7 decks26 decks
21%synergy
Sea Gate Restoration
23%inclusion6 decks26 decks
8%synergy
Hydroelectric Specimen
23%inclusion6 decks26 decks
9%synergy
Mirrex
19%inclusion5 decks26 decks
18%synergy
Jwari Disruption
12%inclusion3 decks26 decks
7%synergy
Command Tower
7.7%inclusion2 decks26 decks
3%synergy
Misty Rainforest
7.7%inclusion2 decks26 decks
0%synergy
Urza's Cave
7.7%inclusion2 decks26 decks
4%synergy
Snow-Covered Island
7.7%inclusion2 decks26 decks
0%synergy
Talon Gates of Madara
7.7%inclusion2 decks26 decks
4%synergy
Demolition Field
7.7%inclusion2 decks26 decks
2%synergy
Tendo Ice Bridge
7.7%inclusion2 decks26 decks
8%synergy
Polluted Delta
7.7%inclusion2 decks26 decks
0%synergy
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