K-9, Mark I (Commander) - Upgraded Legends

K-9, Mark I
Rank #3,456
3decks
As CommanderAs PartnerAs CardAverage DeckDecks
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Background image for Building Two Legendary Matters Commander Decks
Ciel Collins
May 16, 2025
Ciel Collins
Building Two Legendary Matters Commander Decks
Let's break up the popular WUBRG Legendary Matters archetype into two different dueling Commander deck techs.
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Utility Lands
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Lands
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The Mechanist, Aerial Artisan
100%inclusion1 decks1 decks
97%synergy
Lost Days
100%inclusion1 decks1 decks
99%synergy
Forecasting Fortune Teller
100%inclusion1 decks1 decks
100%synergy
Agna Qel'a
100%inclusion1 decks1 decks
94%synergy
Game Changers
Cyclonic Rift
100%inclusion3 decks3 decks
65%synergy
Ancient Tomb
67%inclusion2 decks3 decks
54%synergy
Fierce Guardianship
67%inclusion2 decks3 decks
44%synergy
The One Ring
33%inclusion1 decks3 decks
21%synergy
Rhystic Study
33%inclusion1 decks3 decks
0%synergy
Creatures
Sakashima the Impostor
100%inclusion3 decks3 decks
97%synergy
Ioreth of the Healing House
100%inclusion3 decks3 decks
97%synergy
Solemn Simulacrum
67%inclusion2 decks3 decks
44%synergy
Eluge, the Shoreless Sea
67%inclusion2 decks3 decks
58%synergy
Teferi, Mage of Zhalfir
67%inclusion2 decks3 decks
63%synergy
Kiora, the Rising Tide
67%inclusion2 decks3 decks
63%synergy
The Reality Chip
67%inclusion2 decks3 decks
54%synergy
Nezahal, Primal Tide
67%inclusion2 decks3 decks
58%synergy
Clever Impersonator
67%inclusion2 decks3 decks
61%synergy
Iymrith, Desert Doom
67%inclusion2 decks3 decks
66%synergy
The Peregrine Dynamo
67%inclusion2 decks3 decks
67%synergy
Ghost of Ramirez DePietro
33%inclusion1 decks3 decks
33%synergy
Flesh Duplicate
33%inclusion1 decks3 decks
32%synergy
Tangletrove Kelp
33%inclusion1 decks3 decks
33%synergy
Piper Wright, Publick Reporter
33%inclusion1 decks3 decks
33%synergy
Ethereal Investigator
33%inclusion1 decks3 decks
32%synergy
The Mindskinner
33%inclusion1 decks3 decks
31%synergy
Phyrexian Metamorph
33%inclusion1 decks3 decks
15%synergy
Braids, Conjurer Adept
33%inclusion1 decks3 decks
33%synergy
Malcolm, Alluring Scoundrel
33%inclusion1 decks3 decks
29%synergy
Clone
33%inclusion1 decks3 decks
31%synergy
Memnarch
33%inclusion1 decks3 decks
31%synergy
Unctus, Grand Metatect
33%inclusion1 decks3 decks
27%synergy
Junk Winder
33%inclusion1 decks3 decks
31%synergy
Martha Jones
33%inclusion1 decks3 decks
33%synergy
Erdwal Illuminator
33%inclusion1 decks3 decks
33%synergy
Kira, Great Glass-Spinner
33%inclusion1 decks3 decks
31%synergy
Cosima, God of the Voyage
33%inclusion1 decks3 decks
32%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
30%synergy
Floodhound
33%inclusion1 decks3 decks
33%synergy
Slinn Voda, the Rising Deep
33%inclusion1 decks3 decks
32%synergy
Kappa Cannoneer
33%inclusion1 decks3 decks
26%synergy
Arcanis the Omnipotent
33%inclusion1 decks3 decks
26%synergy
James, Wandering Dad
33%inclusion1 decks3 decks
32%synergy
Sakashima of a Thousand Faces
33%inclusion1 decks3 decks
27%synergy
Alandra, Sky Dreamer
33%inclusion1 decks3 decks
27%synergy
Forensic Gadgeteer
33%inclusion1 decks3 decks
23%synergy
Stunt Double
33%inclusion1 decks3 decks
31%synergy
Thada Adel, Acquisitor
33%inclusion1 decks3 decks
32%synergy
Laboratory Maniac
33%inclusion1 decks3 decks
16%synergy
Sakashima's Student
33%inclusion1 decks3 decks
32%synergy
Mockingbird
33%inclusion1 decks3 decks
29%synergy
Baral, Chief of Compliance
33%inclusion1 decks3 decks
22%synergy
Traxos, Scourge of Kroog
33%inclusion1 decks3 decks
32%synergy
Grazilaxx, Illithid Scholar
33%inclusion1 decks3 decks
31%synergy
Emry, Lurker of the Loch
33%inclusion1 decks3 decks
22%synergy
Esior, Wardwing Familiar
33%inclusion1 decks3 decks
30%synergy
Empress Galina
33%inclusion1 decks3 decks
32%synergy
Lier, Disciple of the Drowned
33%inclusion1 decks3 decks
29%synergy
Academy Manufactor
33%inclusion1 decks3 decks
32%synergy
Instants
Brainstorm
100%inclusion3 decks3 decks
59%synergy
Aetherize
100%inclusion3 decks3 decks
72%synergy
Arcane Denial
100%inclusion3 decks3 decks
64%synergy
Counterspell
100%inclusion3 decks3 decks
33%synergy
Pongify
67%inclusion2 decks3 decks
26%synergy
Rapid Hybridization
67%inclusion2 decks3 decks
32%synergy
Frantic Search
67%inclusion2 decks3 decks
37%synergy
An Offer You Can't Refuse
67%inclusion2 decks3 decks
30%synergy
Negate
67%inclusion2 decks3 decks
28%synergy
Reality Shift
67%inclusion2 decks3 decks
39%synergy
Mana Drain
67%inclusion2 decks3 decks
40%synergy
Desynchronization
67%inclusion2 decks3 decks
62%synergy
High Tide
67%inclusion2 decks3 decks
22%synergy
Consider
33%inclusion1 decks3 decks
19%synergy
Secrets of the Key
33%inclusion1 decks3 decks
33%synergy
Blue Sun's Zenith
33%inclusion1 decks3 decks
22%synergy
Archmage's Charm
33%inclusion1 decks3 decks
17%synergy
Disallow
33%inclusion1 decks3 decks
26%synergy
Swan Song
33%inclusion1 decks3 decks
7%synergy
Cackling Counterpart
33%inclusion1 decks3 decks
31%synergy
Confirm Suspicions
33%inclusion1 decks3 decks
33%synergy
Deduce
33%inclusion1 decks3 decks
31%synergy
Sorceries
Ponder
67%inclusion2 decks3 decks
37%synergy
Arwen's Gift
67%inclusion2 decks3 decks
66%synergy
Hard Evidence
33%inclusion1 decks3 decks
31%synergy
Windfall
33%inclusion1 decks3 decks
10%synergy
Enter the Infinite
33%inclusion1 decks3 decks
29%synergy
Press for Answers
33%inclusion1 decks3 decks
33%synergy
Quasiduplicate
33%inclusion1 decks3 decks
31%synergy
Preordain
33%inclusion1 decks3 decks
9%synergy
Utility Artifacts
Swiftfoot Boots
100%inclusion3 decks3 decks
72%synergy
Sapphire Medallion
100%inclusion3 decks3 decks
43%synergy
Heroes' Podium
67%inclusion2 decks3 decks
67%synergy
Excalibur, Sword of Eden
67%inclusion2 decks3 decks
65%synergy
Champion's Helm
67%inclusion2 decks3 decks
65%synergy
Lightning Greaves
67%inclusion2 decks3 decks
40%synergy
Quietus Spike
33%inclusion1 decks3 decks
32%synergy
Tamiyo's Journal
33%inclusion1 decks3 decks
32%synergy
Cloud Key
33%inclusion1 decks3 decks
27%synergy
Mirror Box
33%inclusion1 decks3 decks
30%synergy
Mithril Coat
33%inclusion1 decks3 decks
30%synergy
Mirror Gallery
33%inclusion1 decks3 decks
33%synergy
Blade of Selves
33%inclusion1 decks3 decks
32%synergy
Commander's Plate
33%inclusion1 decks3 decks
29%synergy
Blackblade Reforged
33%inclusion1 decks3 decks
28%synergy
Bident of Thassa
33%inclusion1 decks3 decks
22%synergy
Magnifying Glass
33%inclusion1 decks3 decks
33%synergy
Enchantments
Combat Research
67%inclusion2 decks3 decks
64%synergy
Hold for Questioning
33%inclusion1 decks3 decks
33%synergy
Aqueous Form
33%inclusion1 decks3 decks
28%synergy
Case of the Filched Falcon
33%inclusion1 decks3 decks
33%synergy
Wizard Class
33%inclusion1 decks3 decks
17%synergy
Extravagant Replication
33%inclusion1 decks3 decks
31%synergy
Nerd Rage
33%inclusion1 decks3 decks
30%synergy
Curious Inquiry
33%inclusion1 decks3 decks
33%synergy
Octopus Umbra
33%inclusion1 decks3 decks
33%synergy
Followed Footsteps
33%inclusion1 decks3 decks
33%synergy
Trail of Evidence
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Reliquary Tower
100%inclusion3 decks3 decks
44%synergy
Minamo, School at Water's Edge
67%inclusion2 decks3 decks
55%synergy
Mystic Sanctuary
67%inclusion2 decks3 decks
16%synergy
Rivendell
67%inclusion2 decks3 decks
55%synergy
Urza's Saga
67%inclusion2 decks3 decks
50%synergy
War Room
67%inclusion2 decks3 decks
50%synergy
Nykthos, Shrine to Nyx
67%inclusion2 decks3 decks
51%synergy
Academy Ruins
67%inclusion2 decks3 decks
48%synergy
Dark Depths
67%inclusion2 decks3 decks
66%synergy
Castle Vantress
67%inclusion2 decks3 decks
48%synergy
Temple of the False God
67%inclusion2 decks3 decks
56%synergy
Otawara, Soaring City
67%inclusion2 decks3 decks
41%synergy
Lonely Sandbar
33%inclusion1 decks3 decks
19%synergy
Thespian's Stage
33%inclusion1 decks3 decks
31%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
15%synergy
Caged Sun
67%inclusion2 decks3 decks
55%synergy
Relic of Legends
67%inclusion2 decks3 decks
65%synergy
Throne of Eldraine
67%inclusion2 decks3 decks
57%synergy
Mox Amber
67%inclusion2 decks3 decks
59%synergy
Patriar's Seal
67%inclusion2 decks3 decks
64%synergy
Midnight Clock
67%inclusion2 decks3 decks
46%synergy
Arcane Signet
33%inclusion1 decks3 decks
-32%synergy
Sky Diamond
33%inclusion1 decks3 decks
10%synergy
Decanter of Endless Water
33%inclusion1 decks3 decks
19%synergy
Thought Vessel
33%inclusion1 decks3 decks
-18%synergy
Five Hundred Year Diary
33%inclusion1 decks3 decks
33%synergy
Crystal Skull, Isu Spyglass
33%inclusion1 decks3 decks
28%synergy
Mind Stone
33%inclusion1 decks3 decks
-3%synergy
Nyx Lotus
33%inclusion1 decks3 decks
29%synergy
Lands
Island
100%inclusion3 decks3 decks
7%synergy
Myriad Landscape
33%inclusion1 decks3 decks
7%synergy
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