Tekuthal, Inquiry Dominus (Commander) - Upgraded Infect

Tekuthal, Inquiry Dominus
Rank #929
28decks
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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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Expansion Algorithm
67%inclusion2 decks3 decks
65%synergy
Pensive Professor
33%inclusion1 decks3 decks
31%synergy
Procrastinate
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Experimental Augury
96%inclusion27 decks28 decks
91%synergy
Tezzeret's Gambit
96%inclusion27 decks28 decks
91%synergy
Flux Channeler
96%inclusion27 decks28 decks
91%synergy
Prologue to Phyresis
93%inclusion26 decks28 decks
90%synergy
Karn's Bastion
93%inclusion26 decks28 decks
88%synergy
Blighted Agent
89%inclusion25 decks28 decks
87%synergy
Thrummingbird
89%inclusion25 decks28 decks
85%synergy
Dreamtide Whale
86%inclusion24 decks28 decks
82%synergy
Contentious Plan
86%inclusion24 decks28 decks
81%synergy
Reject Imperfection
82%inclusion23 decks28 decks
79%synergy
Top Cards
Inexorable Tide
82%inclusion23 decks28 decks
78%synergy
Sapphire Medallion
82%inclusion23 decks28 decks
23%synergy
Serum Snare
82%inclusion23 decks28 decks
79%synergy
Viral Drake
75%inclusion21 decks28 decks
73%synergy
Contagion Engine
71%inclusion20 decks28 decks
70%synergy
Steady Progress
71%inclusion20 decks28 decks
69%synergy
Plague Myr
64%inclusion18 decks28 decks
63%synergy
Ripples of Potential
61%inclusion17 decks28 decks
58%synergy
Radstorm
61%inclusion17 decks28 decks
58%synergy
Counterspell
57%inclusion16 decks28 decks
-9%synergy
Game Changers
Mystical Tutor
39%inclusion11 decks28 decks
17%synergy
Narset, Parter of Veils
29%inclusion8 decks28 decks
18%synergy
Cyclonic Rift
25%inclusion7 decks28 decks
-8%synergy
Rhystic Study
21%inclusion6 decks28 decks
-11%synergy
Fierce Guardianship
11%inclusion3 decks28 decks
-12%synergy
The One Ring
7.1%inclusion2 decks28 decks
-5%synergy
Creatures
Lulu, Stern Guardian
54%inclusion14 decks26 decks
52%synergy
Myr Convert
54%inclusion15 decks28 decks
52%synergy
Guildpact Informant
46%inclusion13 decks28 decks
45%synergy
Deepglow Skate
43%inclusion12 decks28 decks
41%synergy
Surge Conductor
43%inclusion9 decks21 decks
40%synergy
Malcolm, Alluring Scoundrel
39%inclusion11 decks28 decks
34%synergy
Ichorclaw Myr
39%inclusion11 decks28 decks
39%synergy
Ingenious Prodigy
36%inclusion10 decks28 decks
34%synergy
Core Prowler
32%inclusion9 decks28 decks
32%synergy
Chasm Skulker
32%inclusion9 decks28 decks
19%synergy
Necropede
32%inclusion9 decks28 decks
32%synergy
Myojin of Cryptic Dreams
29%inclusion8 decks28 decks
27%synergy
Spark Double
29%inclusion8 decks28 decks
16%synergy
Phyrexian Metamorph
25%inclusion7 decks28 decks
6%synergy
Hydroelectric Specimen
25%inclusion7 decks28 decks
11%synergy
Trophy Mage
21%inclusion6 decks28 decks
15%synergy
Spellseeker
18%inclusion5 decks28 decks
10%synergy
Pollywog Prodigy
18%inclusion5 decks28 decks
14%synergy
Faerie Mastermind
18%inclusion5 decks28 decks
3%synergy
Jin-Gitaxias
18%inclusion5 decks28 decks
15%synergy
Blightsteel Colossus
18%inclusion5 decks28 decks
14%synergy
Ledger Shredder
18%inclusion5 decks28 decks
11%synergy
Thing in the Ice
18%inclusion5 decks28 decks
17%synergy
Silent Arbiter
14%inclusion4 decks28 decks
11%synergy
Walking Ballista
14%inclusion4 decks28 decks
9%synergy
Mercurial Spelldancer
14%inclusion4 decks28 decks
12%synergy
Coretapper
14%inclusion4 decks28 decks
14%synergy
Chrome Host Seedshark
14%inclusion4 decks28 decks
10%synergy
Simic Manipulator
14%inclusion4 decks28 decks
14%synergy
Corpse Cur
14%inclusion4 decks28 decks
14%synergy
Defiler of Dreams
14%inclusion4 decks28 decks
6%synergy
Phyrexian Digester
14%inclusion4 decks28 decks
14%synergy
Benthic Biomancer
14%inclusion4 decks28 decks
13%synergy
Goldberry, River-Daughter
14%inclusion4 decks28 decks
14%synergy
Trinket Mage
14%inclusion4 decks28 decks
5%synergy
Tui and La, Moon and Ocean
13%inclusion2 decks16 decks
11%synergy
Ray Fillet, Wave Warrior
13%inclusion1 decks8 decks
12%synergy
Katara, Waterbending Master
11%inclusion2 decks19 decks
10%synergy
Virulent Silencer
10%inclusion2 decks21 decks
9%synergy
Phyrexian Juggernaut
7.1%inclusion2 decks28 decks
7%synergy
Eluge, the Shoreless Sea
7.1%inclusion2 decks28 decks
-1%synergy
Padeem, Consul of Innovation
7.1%inclusion2 decks28 decks
-3%synergy
Vexing Radgull
7.1%inclusion2 decks28 decks
7%synergy
Snapcaster Mage
7.1%inclusion2 decks28 decks
0%synergy
Dune Mover
7.1%inclusion2 decks28 decks
7%synergy
Toothy, Imaginary Friend
7.1%inclusion2 decks28 decks
4%synergy
Crystalline Crawler
7.1%inclusion2 decks28 decks
7%synergy
Stonecoil Serpent
7.1%inclusion2 decks28 decks
6%synergy
Guard Gomazoa
7.1%inclusion2 decks28 decks
6%synergy
Kappa Cannoneer
7.1%inclusion2 decks28 decks
-1%synergy
Instants
Fuel for the Cause
50%inclusion14 decks28 decks
48%synergy
Pongify
43%inclusion12 decks28 decks
3%synergy
Rapid Hybridization
43%inclusion12 decks28 decks
8%synergy
Muddle the Mixture
43%inclusion12 decks28 decks
28%synergy
An Offer You Can't Refuse
39%inclusion11 decks28 decks
2%synergy
Sink into Stupor
36%inclusion10 decks28 decks
14%synergy
Aetherize
32%inclusion9 decks28 decks
2%synergy
Negate
29%inclusion8 decks28 decks
-9%synergy
High Tide
29%inclusion8 decks28 decks
-15%synergy
Aspirant's Ascent
29%inclusion8 decks28 decks
28%synergy
Bring the Ending
25%inclusion7 decks28 decks
24%synergy
Arcane Denial
25%inclusion7 decks28 decks
-11%synergy
Brainstorm
21%inclusion6 decks28 decks
-19%synergy
Mana Drain
21%inclusion6 decks28 decks
-5%synergy
Resculpt
21%inclusion6 decks28 decks
4%synergy
Corrupted Resolve
18%inclusion5 decks28 decks
18%synergy
Swan Song
18%inclusion5 decks28 decks
-9%synergy
Jwari Disruption
18%inclusion5 decks28 decks
13%synergy
Engulf the Shore
18%inclusion5 decks28 decks
10%synergy
Illusionist's Gambit
14%inclusion4 decks28 decks
12%synergy
Whir of Invention
11%inclusion3 decks28 decks
-2%synergy
Silundi Vision
11%inclusion3 decks28 decks
5%synergy
Desynchronization
11%inclusion3 decks28 decks
6%synergy
Frantic Search
7.1%inclusion2 decks28 decks
-24%synergy
Thirst for Discovery
7.1%inclusion2 decks28 decks
1%synergy
Three Steps Ahead
7.1%inclusion2 decks28 decks
-3%synergy
Fact or Fiction
7.1%inclusion2 decks28 decks
-2%synergy
Aetherspouts
7.1%inclusion2 decks28 decks
0%synergy
Wicked Slumber
7.1%inclusion2 decks28 decks
7%synergy
Blue Sun's Zenith
7.1%inclusion2 decks28 decks
-4%synergy
Reality Shift
7.1%inclusion2 decks28 decks
-19%synergy
Into the Flood Maw
7.1%inclusion2 decks28 decks
1%synergy
Delay
7.1%inclusion2 decks28 decks
4%synergy
Force of Negation
7.1%inclusion2 decks28 decks
-8%synergy
Pull from Tomorrow
7.1%inclusion2 decks28 decks
-2%synergy
March of Swirling Mist
7.1%inclusion2 decks28 decks
0%synergy
Evacuation
7.1%inclusion2 decks28 decks
-1%synergy
Commence the Endgame
7.1%inclusion2 decks28 decks
7%synergy
Spider-Sense
5.3%inclusion1 decks19 decks
3%synergy
Sorceries
Fabricate
46%inclusion13 decks28 decks
25%synergy
Vivisurgeon's Insight
46%inclusion13 decks28 decks
45%synergy
Distorted Curiosity
29%inclusion8 decks28 decks
28%synergy
Merchant Scroll
29%inclusion8 decks28 decks
20%synergy
Lórien Revealed
21%inclusion6 decks28 decks
13%synergy
Sea Gate Restoration
18%inclusion5 decks28 decks
3%synergy
Solve the Equation
18%inclusion5 decks28 decks
6%synergy
Spectral Deluge
14%inclusion4 decks28 decks
4%synergy
Ponder
11%inclusion3 decks28 decks
-19%synergy
Gitaxian Probe
7.1%inclusion2 decks28 decks
-4%synergy
Consuming Tide
7.1%inclusion2 decks28 decks
4%synergy
Finale of Revelation
7.1%inclusion2 decks28 decks
0%synergy
Preordain
7.1%inclusion2 decks28 decks
-16%synergy
Step Through
7.1%inclusion2 decks28 decks
2%synergy
Ravenform
7.1%inclusion2 decks28 decks
-1%synergy
Enter the Enigma
7.1%inclusion2 decks28 decks
1%synergy
Utility Artifacts
Contagion Clasp
54%inclusion15 decks28 decks
52%synergy
Insight Engine
52%inclusion11 decks21 decks
47%synergy
Magistrate's Scepter
50%inclusion14 decks28 decks
49%synergy
Sword of Truth and Justice
36%inclusion10 decks28 decks
35%synergy
Darksteel Reactor
36%inclusion10 decks28 decks
35%synergy
Lux Cannon
36%inclusion10 decks28 decks
35%synergy
Grafted Exoskeleton
32%inclusion9 decks28 decks
32%synergy
Ichormoon Gauntlet
32%inclusion9 decks28 decks
30%synergy
Prosthetic Injector
25%inclusion7 decks28 decks
24%synergy
Swiftfoot Boots
25%inclusion7 decks28 decks
-3%synergy
Lightning Greaves
21%inclusion6 decks28 decks
-5%synergy
Manifold Key
14%inclusion4 decks28 decks
7%synergy
Mindsplice Apparatus
14%inclusion4 decks28 decks
10%synergy
Throne of Geth
14%inclusion4 decks28 decks
14%synergy
Recon Craft Theta
14%inclusion4 decks28 decks
14%synergy
Lost Jitte
14%inclusion4 decks28 decks
14%synergy
Decimator Web
14%inclusion4 decks28 decks
14%synergy
Moonsilver Key
11%inclusion3 decks28 decks
8%synergy
Transmogrifying Wand
11%inclusion3 decks28 decks
10%synergy
The Magic Mirror
11%inclusion3 decks28 decks
5%synergy
Isochron Scepter
11%inclusion3 decks28 decks
-7%synergy
Peter Parker's Camera
11%inclusion2 decks19 decks
9%synergy
Power Conduit
7.1%inclusion2 decks28 decks
7%synergy
Wayfarer's Bauble
7.1%inclusion2 decks28 decks
-10%synergy
The Chain Veil
7.1%inclusion2 decks28 decks
6%synergy
Fishing Gear
5.3%inclusion1 decks19 decks
5%synergy
Enchantments
As Foretold
46%inclusion13 decks28 decks
43%synergy
Corrupted Conscience
39%inclusion11 decks28 decks
38%synergy
Propaganda
39%inclusion11 decks28 decks
8%synergy
Ominous Seas
29%inclusion8 decks28 decks
17%synergy
Mesmerizing Dose
25%inclusion7 decks28 decks
24%synergy
Lost in the Maze
25%inclusion7 decks28 decks
23%synergy
Mystic Remora
25%inclusion7 decks28 decks
-2%synergy
Wizard Class
21%inclusion6 decks28 decks
4%synergy
Imprisoned in the Moon
14%inclusion4 decks28 decks
2%synergy
Archmage Ascension
11%inclusion3 decks28 decks
9%synergy
Proft's Eidetic Memory
11%inclusion3 decks28 decks
2%synergy
Aqueous Form
7.1%inclusion2 decks28 decks
2%synergy
Scroll of Isildur
7.1%inclusion2 decks28 decks
6%synergy
Waterbender Ascension
6.3%inclusion1 decks16 decks
3%synergy
Planeswalkers
Tezzeret the Seeker
32%inclusion9 decks28 decks
23%synergy
Teferi, Master of Time
32%inclusion9 decks28 decks
27%synergy
Tezzeret, Artifice Master
25%inclusion7 decks28 decks
21%synergy
Ugin, the Spirit Dragon
21%inclusion6 decks28 decks
20%synergy
Ugin, the Ineffable
18%inclusion5 decks28 decks
16%synergy
Tezzeret, Betrayer of Flesh
18%inclusion5 decks28 decks
16%synergy
Tamiyo, the Moon Sage
18%inclusion5 decks28 decks
16%synergy
Teferi, Temporal Archmage
14%inclusion4 decks28 decks
13%synergy
Jace, the Mind Sculptor
14%inclusion4 decks28 decks
11%synergy
Kasmina, Enigmatic Mentor
14%inclusion4 decks28 decks
13%synergy
Mu Yanling, Sky Dancer
11%inclusion3 decks28 decks
10%synergy
Jace, Architect of Thought
11%inclusion3 decks28 decks
10%synergy
Mu Yanling
11%inclusion3 decks28 decks
10%synergy
Jace, Wielder of Mysteries
11%inclusion3 decks28 decks
-4%synergy
Jace, Mirror Mage
11%inclusion3 decks28 decks
9%synergy
Vronos, Masked Inquisitor
11%inclusion3 decks28 decks
10%synergy
Jace, Unraveler of Secrets
11%inclusion3 decks28 decks
9%synergy
Jace, the Perfected Mind
7.1%inclusion2 decks28 decks
4%synergy
Jace, Arcane Strategist
7.1%inclusion2 decks28 decks
6%synergy
Jace, Memory Adept
7.1%inclusion2 decks28 decks
4%synergy
Mordenkainen
7.1%inclusion2 decks28 decks
4%synergy
Jace Reawakened
7.1%inclusion2 decks28 decks
6%synergy
Jace Beleren
7.1%inclusion2 decks28 decks
4%synergy
Jace, Cunning Castaway
7.1%inclusion2 decks28 decks
6%synergy
Utility Lands
Mystic Sanctuary
64%inclusion18 decks28 decks
14%synergy
Inkmoth Nexus
61%inclusion17 decks28 decks
59%synergy
Mage-Ring Network
54%inclusion15 decks28 decks
53%synergy
Reliquary Tower
50%inclusion14 decks28 decks
-6%synergy
Nesting Grounds
50%inclusion14 decks28 decks
48%synergy
Saprazzan Skerry
46%inclusion13 decks28 decks
43%synergy
Rogue's Passage
36%inclusion10 decks28 decks
20%synergy
Seat of the Synod
32%inclusion9 decks28 decks
13%synergy
Buried Ruin
29%inclusion8 decks28 decks
16%synergy
Otawara, Soaring City
29%inclusion8 decks28 decks
3%synergy
Nykthos, Shrine to Nyx
25%inclusion7 decks28 decks
9%synergy
Inventors' Fair
25%inclusion7 decks28 decks
12%synergy
Academy Ruins
25%inclusion7 decks28 decks
6%synergy
Uthros, Titanic Godcore
24%inclusion5 decks21 decks
14%synergy
Urza's Saga
21%inclusion6 decks28 decks
5%synergy
War Room
21%inclusion6 decks28 decks
6%synergy
Agna Qel'a
19%inclusion3 decks16 decks
11%synergy
Tolaria West
14%inclusion4 decks28 decks
9%synergy
Sand Silos
14%inclusion4 decks28 decks
14%synergy
Drannith Ruins
14%inclusion4 decks28 decks
14%synergy
Mistrise Village
11%inclusion3 decks27 decks
2%synergy
Rivendell
11%inclusion3 decks28 decks
0%synergy
Blast Zone
11%inclusion3 decks28 decks
9%synergy
Halimar Depths
11%inclusion3 decks28 decks
1%synergy
Scavenger Grounds
11%inclusion3 decks28 decks
3%synergy
Lonely Sandbar
11%inclusion3 decks28 decks
-3%synergy
Diamond City
11%inclusion3 decks28 decks
10%synergy
Tyrite Sanctum
11%inclusion3 decks28 decks
9%synergy
Darksteel Citadel
11%inclusion3 decks28 decks
-1%synergy
Saprazzan Cove
11%inclusion3 decks28 decks
10%synergy
Desert of the Mindful
7.1%inclusion2 decks28 decks
4%synergy
Trenzalore Clocktower
7.1%inclusion2 decks28 decks
7%synergy
Terrain Generator
7.1%inclusion2 decks28 decks
-1%synergy
Archway of Innovation
7.1%inclusion2 decks28 decks
-4%synergy
Cephalid Coliseum
7.1%inclusion2 decks28 decks
-2%synergy
Dark Depths
7.1%inclusion2 decks28 decks
6%synergy
Castle Vantress
7.1%inclusion2 decks28 decks
-11%synergy
Temple of the False God
7.1%inclusion2 decks28 decks
-3%synergy
Access Tunnel
7.1%inclusion2 decks28 decks
6%synergy
Mana Artifacts
Astral Cornucopia
89%inclusion25 decks28 decks
86%synergy
Everflowing Chalice
86%inclusion24 decks28 decks
70%synergy
Sol Ring
86%inclusion24 decks28 decks
1%synergy
Staff of Compleation
71%inclusion20 decks28 decks
69%synergy
Glistening Sphere
64%inclusion18 decks28 decks
63%synergy
Arcane Signet
50%inclusion14 decks28 decks
-15%synergy
Replicating Ring
46%inclusion13 decks28 decks
44%synergy
Midnight Clock
36%inclusion10 decks28 decks
16%synergy
Thought Vessel
32%inclusion9 decks28 decks
-19%synergy
Empowered Autogenerator
21%inclusion6 decks28 decks
20%synergy
Bender's Waterskin
16%inclusion3 decks19 decks
5%synergy
Fellwar Stone
14%inclusion4 decks28 decks
-5%synergy
Mind Stone
14%inclusion4 decks28 decks
-21%synergy
The Aetherspark
11%inclusion3 decks28 decks
10%synergy
Pentad Prism
11%inclusion3 decks28 decks
10%synergy
Caged Sun
7.1%inclusion2 decks28 decks
-4%synergy
Sky Diamond
7.1%inclusion2 decks28 decks
-15%synergy
Aetheric Amplifier
7.1%inclusion2 decks28 decks
6%synergy
Lotus Petal
7.1%inclusion2 decks28 decks
-5%synergy
Thran Dynamo
7.1%inclusion2 decks28 decks
-6%synergy
Mox Opal
7.1%inclusion2 decks28 decks
-3%synergy
Jeweled Amulet
7.1%inclusion2 decks28 decks
4%synergy
Lands
Island
100%inclusion28 decks28 decks
6%synergy
Sink into Stupor
36%inclusion10 decks28 decks
14%synergy
Mirrex
32%inclusion9 decks28 decks
31%synergy
Myriad Landscape
25%inclusion7 decks28 decks
0%synergy
Hydroelectric Specimen
25%inclusion7 decks28 decks
11%synergy
Demolition Field
25%inclusion7 decks28 decks
20%synergy
The Mycosynth Gardens
21%inclusion6 decks28 decks
16%synergy
Sea Gate Restoration
18%inclusion5 decks28 decks
3%synergy
Jwari Disruption
18%inclusion5 decks28 decks
13%synergy
Command Tower
11%inclusion3 decks28 decks
6%synergy
Silundi Vision
11%inclusion3 decks28 decks
5%synergy
Urza's Cave
7.1%inclusion2 decks28 decks
3%synergy
Tendo Ice Bridge
7.1%inclusion2 decks28 decks
7%synergy
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