Living Brain, Mechanical Marvel (Commander)

Alternate Names:

Error-9, Viral NodeError-9, Viral Node

Living Brain, Mechanical Marvel
Rank #3,742
27decks
As CommanderAs CardAverage DeckDecks
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Budget
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Background image for Krang, Master Mind Deck Tech
Steve Heisler
Nov 6, 2025
Steve Heisler
Krang, Master Mind Deck Tech
Krang has waited long for a deck tech to take down those pesky Ninja Turtles! Let's pilot this alien brain to a mono-blue artifact victory.
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Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Zuko's Exile
71%inclusion5 decks7 decks
64%synergy
High Synergy Cards
Access Tunnel
48%inclusion13 decks27 decks
46%synergy
Chief of the Foundry
56%inclusion15 decks27 decks
45%synergy
Levitating Statue
44%inclusion12 decks27 decks
44%synergy
Iron Spider, Stark Upgrade
48%inclusion13 decks27 decks
43%synergy
Peter Parker's Camera
44%inclusion12 decks27 decks
41%synergy
Canoptek Spyder
52%inclusion14 decks27 decks
41%synergy
Steel Overseer
63%inclusion17 decks27 decks
39%synergy
Weatherlight
41%inclusion11 decks27 decks
39%synergy
Traxos, Scourge of Kroog
44%inclusion12 decks27 decks
38%synergy
Darksteel Pendant
37%inclusion10 decks27 decks
37%synergy
Top Cards
Foundry Inspector
78%inclusion21 decks27 decks
31%synergy
Palladium Myr
67%inclusion18 decks27 decks
-5%synergy
Forsaken Monument
67%inclusion18 decks27 decks
-22%synergy
Null Elemental Blast
67%inclusion18 decks27 decks
7%synergy
All Is Dust
59%inclusion16 decks27 decks
-27%synergy
Echoes of Eternity
52%inclusion14 decks27 decks
-8%synergy
Mystic Forge
52%inclusion14 decks27 decks
-23%synergy
Glaring Fleshraker
44%inclusion12 decks27 decks
-12%synergy
Unwinding Clock
44%inclusion12 decks27 decks
5%synergy
Voltaic Key
41%inclusion11 decks27 decks
19%synergy
Game Changers
Ancient Tomb
11%inclusion3 decks27 decks
-22%synergy
The One Ring
11%inclusion3 decks27 decks
-17%synergy
Creatures
Patchwork Automaton
41%inclusion11 decks27 decks
30%synergy
Jhoira's Familiar
41%inclusion11 decks27 decks
7%synergy
Solemn Simulacrum
37%inclusion10 decks27 decks
-18%synergy
Cyberman Patrol
37%inclusion10 decks27 decks
32%synergy
Ultima, Origin of Oblivion
37%inclusion10 decks27 decks
0%synergy
Cybermen Squadron
33%inclusion9 decks27 decks
25%synergy
Voltaic Servant
33%inclusion9 decks27 decks
29%synergy
Marketback Walker
30%inclusion8 decks27 decks
22%synergy
Junk Diver
30%inclusion8 decks27 decks
16%synergy
Scrap Trawler
30%inclusion8 decks27 decks
5%synergy
Darksteel Juggernaut
30%inclusion8 decks27 decks
22%synergy
Automated Artificer
30%inclusion8 decks27 decks
24%synergy
Liberator, Urza's Battlethopter
30%inclusion8 decks27 decks
-15%synergy
PuPu UFO
30%inclusion8 decks27 decks
24%synergy
Scrawling Crawler
26%inclusion7 decks27 decks
18%synergy
Shimmer Myr
26%inclusion7 decks27 decks
6%synergy
Scrapyard Recombiner
26%inclusion7 decks27 decks
19%synergy
Virulent Silencer
26%inclusion7 decks27 decks
23%synergy
Stonecoil Serpent
26%inclusion7 decks27 decks
5%synergy
Abstruse Archaic
22%inclusion6 decks27 decks
-8%synergy
Marvin, Murderous Mimic
22%inclusion6 decks27 decks
16%synergy
Crashing Drawbridge
22%inclusion6 decks27 decks
1%synergy
Drillworks Mole
22%inclusion6 decks27 decks
17%synergy
Surge Conductor
22%inclusion6 decks27 decks
12%synergy
Survey Mechan
22%inclusion6 decks27 decks
20%synergy
Graaz, Unstoppable Juggernaut
22%inclusion6 decks27 decks
20%synergy
Threefold Thunderhulk
22%inclusion6 decks27 decks
6%synergy
Cogwork Assembler
19%inclusion5 decks27 decks
17%synergy
Plague Myr
19%inclusion5 decks27 decks
9%synergy
Metalwork Colossus
19%inclusion5 decks27 decks
-10%synergy
Voltaic Construct
19%inclusion5 decks27 decks
12%synergy
It That Heralds the End
19%inclusion5 decks27 decks
-21%synergy
Meteor Golem
19%inclusion5 decks27 decks
-17%synergy
Hangarback Walker
19%inclusion5 decks27 decks
-1%synergy
Ornithopter of Paradise
15%inclusion4 decks27 decks
-17%synergy
Golden Guardian
15%inclusion4 decks27 decks
13%synergy
Towashi Guide-Bot
15%inclusion4 decks27 decks
10%synergy
Cryptic Trilobite
15%inclusion4 decks27 decks
9%synergy
Steel Hellkite
15%inclusion4 decks27 decks
-9%synergy
Sandstone Oracle
15%inclusion4 decks27 decks
7%synergy
Shambling Suit
15%inclusion4 decks27 decks
13%synergy
Ferropede
15%inclusion4 decks27 decks
15%synergy
Kuldotha Forgemaster
15%inclusion4 decks27 decks
0%synergy
Myr Battlesphere
15%inclusion4 decks27 decks
-5%synergy
Phyrexian Triniform
15%inclusion4 decks27 decks
1%synergy
Chrome Companion
15%inclusion4 decks27 decks
14%synergy
Dauntless Scrapbot
15%inclusion4 decks27 decks
12%synergy
Hedron Crawler
11%inclusion3 decks27 decks
-11%synergy
Gingerbrute
11%inclusion3 decks27 decks
2%synergy
ED-E, Lonesome Eyebot
11%inclusion3 decks27 decks
9%synergy
Instants
Warping Wail
41%inclusion11 decks27 decks
-18%synergy
Eldritch Immunity
41%inclusion11 decks27 decks
0%synergy
Scour from Existence
22%inclusion6 decks27 decks
-4%synergy
Spatial Contortion
22%inclusion6 decks27 decks
2%synergy
Kozilek's Command
15%inclusion4 decks27 decks
-24%synergy
Eldrazi Confluence
11%inclusion3 decks27 decks
-15%synergy
Titan's Presence
11%inclusion3 decks27 decks
-38%synergy
Sorceries
Introduction to Annihilation
30%inclusion8 decks27 decks
12%synergy
Environmental Sciences
22%inclusion6 decks27 decks
13%synergy
Selective Obliteration
19%inclusion5 decks27 decks
-6%synergy
Introduction to Prophecy
19%inclusion5 decks27 decks
6%synergy
Gruesome Slaughter
15%inclusion4 decks27 decks
1%synergy
Expanded Anatomy
7.4%inclusion2 decks27 decks
4%synergy
Utility Artifacts
Lithoform Engine
41%inclusion11 decks27 decks
33%synergy
Clock of Omens
41%inclusion11 decks27 decks
27%synergy
Sculpting Steel
41%inclusion11 decks27 decks
10%synergy
Trading Post
33%inclusion9 decks27 decks
21%synergy
Nutrient Block
33%inclusion9 decks27 decks
33%synergy
Cybership
33%inclusion9 decks27 decks
33%synergy
Reckoner Bankbuster
33%inclusion9 decks27 decks
31%synergy
Manifold Key
30%inclusion8 decks27 decks
-4%synergy
Brotherhood Vertibird
30%inclusion8 decks27 decks
29%synergy
The Millennium Calendar
30%inclusion8 decks27 decks
26%synergy
Strionic Resonator
30%inclusion8 decks27 decks
24%synergy
Darksteel Brute
26%inclusion7 decks27 decks
26%synergy
Dawnsire, Sunstar Dreadnought
26%inclusion7 decks27 decks
21%synergy
Raiders' Karve
22%inclusion6 decks27 decks
22%synergy
Helm of the Host
22%inclusion6 decks27 decks
13%synergy
The Regalia
22%inclusion6 decks27 decks
19%synergy
Throne of Empires
19%inclusion5 decks27 decks
18%synergy
Sensei's Divining Top
19%inclusion5 decks27 decks
-6%synergy
Scepter of Empires
19%inclusion5 decks27 decks
18%synergy
Smuggler's Copter
19%inclusion5 decks27 decks
17%synergy
Cloud Key
19%inclusion5 decks27 decks
-8%synergy
Crown of Empires
19%inclusion5 decks27 decks
18%synergy
Mirage Mirror
19%inclusion5 decks27 decks
-11%synergy
Extinguisher Battleship
19%inclusion5 decks27 decks
9%synergy
Darksteel Forge
19%inclusion5 decks27 decks
-4%synergy
The Endstone
19%inclusion5 decks27 decks
4%synergy
Chimil, the Inner Sun
15%inclusion4 decks27 decks
-10%synergy
Darksteel Relic
15%inclusion4 decks27 decks
15%synergy
Leyline Axe
15%inclusion4 decks27 decks
13%synergy
Mazemind Tome
15%inclusion4 decks27 decks
5%synergy
Rolling Hamsphere
15%inclusion4 decks27 decks
12%synergy
Mirrorworks
15%inclusion4 decks27 decks
6%synergy
Lux Cannon
15%inclusion4 decks27 decks
12%synergy
Mind's Eye
15%inclusion4 decks27 decks
-13%synergy
Prototype Portal
15%inclusion4 decks27 decks
13%synergy
Mobile Homestead
15%inclusion4 decks27 decks
15%synergy
Nexus of Becoming
11%inclusion3 decks27 decks
8%synergy
Chaos Wand
11%inclusion3 decks27 decks
10%synergy
Wayfarer's Bauble
11%inclusion3 decks27 decks
-2%synergy
Midnight Crusader Shuttle
11%inclusion3 decks27 decks
11%synergy
Nuisance Engine
11%inclusion3 decks27 decks
9%synergy
Portal to Phyrexia
11%inclusion3 decks27 decks
-12%synergy
Jar of Eyeballs
11%inclusion3 decks27 decks
11%synergy
Nevinyrral's Disk
11%inclusion3 decks27 decks
0%synergy
Seer's Sundial
11%inclusion3 decks27 decks
10%synergy
Soul Foundry
11%inclusion3 decks27 decks
11%synergy
Idol of False Gods
11%inclusion3 decks27 decks
-2%synergy
Endless Atlas
11%inclusion3 decks27 decks
3%synergy
Semblance Anvil
11%inclusion3 decks27 decks
-3%synergy
Unlicensed Hearse
11%inclusion3 decks27 decks
10%synergy
Planeswalkers
Ugin, the Ineffable
30%inclusion8 decks27 decks
-50%synergy
Karn, Living Legacy
22%inclusion6 decks27 decks
9%synergy
Ugin, Eye of the Storms
11%inclusion3 decks27 decks
-40%synergy
Tezzeret, Cruel Captain
11%inclusion3 decks27 decks
-6%synergy
Utility Lands
Darksteel Citadel
63%inclusion17 decks27 decks
17%synergy
Buried Ruin
59%inclusion16 decks27 decks
7%synergy
Urza's Tower
56%inclusion15 decks27 decks
-29%synergy
Urza's Mine
56%inclusion15 decks27 decks
-29%synergy
Urza's Power Plant
56%inclusion15 decks27 decks
-29%synergy
War Room
52%inclusion14 decks27 decks
-18%synergy
Rogue's Passage
52%inclusion14 decks27 decks
-15%synergy
Shrine of the Forsaken Gods
48%inclusion13 decks27 decks
-30%synergy
Zhalfirin Void
41%inclusion11 decks27 decks
2%synergy
Temple of the False God
41%inclusion11 decks27 decks
-17%synergy
Inventors' Fair
37%inclusion10 decks27 decks
-4%synergy
Reliquary Tower
37%inclusion10 decks27 decks
-26%synergy
Urza's Factory
33%inclusion9 decks27 decks
6%synergy
Guildless Commons
30%inclusion8 decks27 decks
-10%synergy
Adventurer's Inn
30%inclusion8 decks27 decks
18%synergy
Muraganda Raceway
30%inclusion8 decks27 decks
10%synergy
Ruins of Oran-Rief
26%inclusion7 decks27 decks
8%synergy
Eden, Seat of the Sanctum
26%inclusion7 decks27 decks
20%synergy
Mirrorpool
22%inclusion6 decks27 decks
-2%synergy
Urza's Workshop
22%inclusion6 decks27 decks
-26%synergy
Sea Gate Wreckage
22%inclusion6 decks27 decks
-9%synergy
Secluded Starforge
22%inclusion6 decks27 decks
15%synergy
Radiant Fountain
22%inclusion6 decks27 decks
3%synergy
Homeward Path
22%inclusion6 decks27 decks
5%synergy
Avishkar Raceway
22%inclusion6 decks27 decks
17%synergy
Arch of Orazca
19%inclusion5 decks27 decks
-16%synergy
Arid Archway
19%inclusion5 decks27 decks
9%synergy
Treasure Vault
19%inclusion5 decks27 decks
4%synergy
Fomori Vault
19%inclusion5 decks27 decks
1%synergy
Inkmoth Nexus
19%inclusion5 decks27 decks
13%synergy
Fountainport
19%inclusion5 decks27 decks
8%synergy
Cascading Cataracts
19%inclusion5 decks27 decks
17%synergy
Urza's Saga
15%inclusion4 decks27 decks
-24%synergy
Blast Zone
15%inclusion4 decks27 decks
-26%synergy
Roadside Reliquary
15%inclusion4 decks27 decks
12%synergy
Emergence Zone
15%inclusion4 decks27 decks
4%synergy
Thespian's Stage
15%inclusion4 decks27 decks
-21%synergy
Cryptic Caves
15%inclusion4 decks27 decks
8%synergy
Sequestered Stash
15%inclusion4 decks27 decks
10%synergy
Tomb of the Spirit Dragon
11%inclusion3 decks27 decks
-48%synergy
Isolated Watchtower
11%inclusion3 decks27 decks
10%synergy
Gargoyle Castle
11%inclusion3 decks27 decks
10%synergy
Basilisk Gate
11%inclusion3 decks27 decks
10%synergy
Karn's Bastion
11%inclusion3 decks27 decks
-5%synergy
Mishra's Foundry
11%inclusion3 decks27 decks
6%synergy
Spawning Bed
11%inclusion3 decks27 decks
-3%synergy
Ominous Cemetery
11%inclusion3 decks27 decks
6%synergy
Amonkhet Raceway
11%inclusion3 decks27 decks
3%synergy
Blasted Landscape
11%inclusion3 decks27 decks
-1%synergy
Bonders' Enclave
11%inclusion3 decks27 decks
-44%synergy
Mana Artifacts
Sol Ring
93%inclusion25 decks27 decks
-2%synergy
Everflowing Chalice
52%inclusion14 decks27 decks
-7%synergy
Mind Stone
52%inclusion14 decks27 decks
-22%synergy
Thran Dynamo
52%inclusion14 decks27 decks
-29%synergy
Hedron Archive
44%inclusion12 decks27 decks
-25%synergy
Basalt Monolith
41%inclusion11 decks27 decks
-6%synergy
Thought Vessel
37%inclusion10 decks27 decks
-27%synergy
Darksteel Ingot
30%inclusion8 decks27 decks
26%synergy
Worn Powerstone
26%inclusion7 decks27 decks
-28%synergy
The Eternity Elevator
26%inclusion7 decks27 decks
-4%synergy
Stonespeaker Crystal
22%inclusion6 decks27 decks
2%synergy
Sonic Screwdriver
22%inclusion6 decks27 decks
12%synergy
All-Fates Scroll
22%inclusion6 decks27 decks
17%synergy
Dreamstone Hedron
19%inclusion5 decks27 decks
-29%synergy
Endurance Bobblehead
19%inclusion5 decks27 decks
18%synergy
Charisma Bobblehead
19%inclusion5 decks27 decks
18%synergy
Ur-Golem's Eye
19%inclusion5 decks27 decks
12%synergy
Strength Bobblehead
19%inclusion5 decks27 decks
18%synergy
Intelligence Bobblehead
15%inclusion4 decks27 decks
14%synergy
Arcane Signet
15%inclusion4 decks27 decks
8%synergy
Aetheric Amplifier
15%inclusion4 decks27 decks
12%synergy
Luck Bobblehead
15%inclusion4 decks27 decks
14%synergy
Perception Bobblehead
15%inclusion4 decks27 decks
14%synergy
Ring of the Lucii
15%inclusion4 decks27 decks
8%synergy
Agility Bobblehead
15%inclusion4 decks27 decks
14%synergy
Sisay's Ring
15%inclusion4 decks27 decks
5%synergy
Slagstone Refinery
15%inclusion4 decks27 decks
12%synergy
Liquimetal Torque
15%inclusion4 decks27 decks
-4%synergy
Commander's Sphere
11%inclusion3 decks27 decks
8%synergy
Staff of Compleation
11%inclusion3 decks27 decks
7%synergy
Ebony Fly
11%inclusion3 decks27 decks
9%synergy
Unstable Obelisk
7.4%inclusion2 decks27 decks
-10%synergy
Pristine Talisman
7.4%inclusion2 decks27 decks
-2%synergy
Vexing Puzzlebox
7.4%inclusion2 decks27 decks
6%synergy
Thran Turbine
7.4%inclusion2 decks27 decks
7%synergy
Tablet of Compleation
7.4%inclusion2 decks27 decks
7%synergy
Chromatic Orrery
7.4%inclusion2 decks27 decks
-2%synergy
The Aetherspark
7.4%inclusion2 decks27 decks
1%synergy
Fractured Powerstone
7.4%inclusion2 decks27 decks
3%synergy
The Mightstone and Weakstone
7.4%inclusion2 decks27 decks
-3%synergy
Gilded Lotus
7.4%inclusion2 decks27 decks
-8%synergy
Prismatic Lens
7.4%inclusion2 decks27 decks
-4%synergy
Lands
Wastes
81%inclusion22 decks27 decks
-4%synergy
The Mycosynth Gardens
48%inclusion13 decks27 decks
18%synergy
Hidden Grotto
37%inclusion10 decks27 decks
25%synergy
Hall of Tagsin
37%inclusion10 decks27 decks
26%synergy
Urza's Cave
33%inclusion9 decks27 decks
-15%synergy
Conduit Pylons
33%inclusion9 decks27 decks
21%synergy
Snow-Covered Wastes
26%inclusion7 decks27 decks
14%synergy
Talon Gates of Madara
26%inclusion7 decks27 decks
15%synergy
Demolition Field
26%inclusion7 decks27 decks
13%synergy
Crystal Grotto
26%inclusion7 decks27 decks
7%synergy
Myriad Landscape
22%inclusion6 decks27 decks
11%synergy
Power Depot
22%inclusion6 decks27 decks
19%synergy
Planar Nexus
15%inclusion4 decks27 decks
-5%synergy
Ash Barrens
15%inclusion4 decks27 decks
6%synergy
Horizon of Progress
15%inclusion4 decks27 decks
13%synergy
Gond Gate
15%inclusion4 decks27 decks
14%synergy
Abstergo Entertainment
15%inclusion4 decks27 decks
4%synergy
Capital City
15%inclusion4 decks27 decks
12%synergy
Exotic Orchard
11%inclusion3 decks27 decks
10%synergy
Heap Gate
11%inclusion3 decks27 decks
10%synergy
Mirrex
11%inclusion3 decks27 decks
1%synergy
Cave of Temptation
11%inclusion3 decks27 decks
9%synergy
Scene of the Crime
11%inclusion3 decks27 decks
8%synergy
The Grey Havens
11%inclusion3 decks27 decks
-3%synergy
Study Hall
7.4%inclusion2 decks27 decks
7%synergy
Holdout Settlement
7.4%inclusion2 decks27 decks
7%synergy
Plaza of Heroes
7.4%inclusion2 decks27 decks
2%synergy
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