K-9, Mark I (Commander) - Legends

K-9, Mark I
Rank #3,456
13decks
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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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Enchantments
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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
High Synergy Cards
Ioreth of the Healing House
92%inclusion12 decks13 decks
89%synergy
Iymrith, Desert Doom
77%inclusion10 decks13 decks
77%synergy
Nezahal, Primal Tide
85%inclusion11 decks13 decks
76%synergy
Callaphe, Beloved of the Sea
69%inclusion9 decks13 decks
68%synergy
Rivendell
77%inclusion10 decks13 decks
65%synergy
Minamo, School at Water's Edge
77%inclusion10 decks13 decks
65%synergy
Eluge, the Shoreless Sea
73%inclusion8 decks11 decks
64%synergy
Teferi, Mage of Zhalfir
62%inclusion8 decks13 decks
58%synergy
Thassa, God of the Sea
62%inclusion8 decks13 decks
58%synergy
Arwen's Gift
54%inclusion7 decks13 decks
54%synergy
Top Cards
Counterspell
85%inclusion11 decks13 decks
18%synergy
Sapphire Medallion
85%inclusion11 decks13 decks
27%synergy
Aetherize
77%inclusion10 decks13 decks
49%synergy
Brainstorm
62%inclusion8 decks13 decks
20%synergy
The Reality Chip
62%inclusion8 decks13 decks
48%synergy
Pongify
54%inclusion7 decks13 decks
14%synergy
Frantic Search
54%inclusion7 decks13 decks
24%synergy
Malcolm, Alluring Scoundrel
54%inclusion7 decks13 decks
49%synergy
Kira, Great Glass-Spinner
54%inclusion7 decks13 decks
51%synergy
Sun Quan, Lord of Wu
54%inclusion7 decks13 decks
53%synergy
Game Changers
Cyclonic Rift
69%inclusion9 decks13 decks
34%synergy
Fierce Guardianship
38%inclusion5 decks13 decks
15%synergy
Rhystic Study
23%inclusion3 decks13 decks
-11%synergy
Ancient Tomb
15%inclusion2 decks13 decks
3%synergy
Mystical Tutor
15%inclusion2 decks13 decks
-9%synergy
The One Ring
7.7%inclusion1 decks13 decks
-5%synergy
Creatures
Grazilaxx, Illithid Scholar
54%inclusion7 decks13 decks
52%synergy
Kairi, the Swirling Sky
46%inclusion6 decks13 decks
45%synergy
Sakashima of a Thousand Faces
46%inclusion6 decks13 decks
40%synergy
Piper Wright, Publick Reporter
42%inclusion5 decks12 decks
41%synergy
Venser, Shaper Savant
38%inclusion5 decks13 decks
32%synergy
Thryx, the Sudden Storm
38%inclusion5 decks13 decks
37%synergy
Esior, Wardwing Familiar
38%inclusion5 decks13 decks
36%synergy
Atemsis, All-Seeing
38%inclusion5 decks13 decks
36%synergy
Jin-Gitaxias, Progress Tyrant
38%inclusion5 decks13 decks
30%synergy
Kiora, the Rising Tide
38%inclusion3 decks8 decks
34%synergy
The Mindskinner
33%inclusion3 decks9 decks
31%synergy
Spider-Man 2099, Miguel O'Hara
33%inclusion1 decks3 decks
33%synergy
Unctus, Grand Metatect
31%inclusion4 decks13 decks
25%synergy
Cosima, God of the Voyage
31%inclusion4 decks13 decks
30%synergy
Sakashima the Impostor
31%inclusion4 decks13 decks
28%synergy
Jin-Gitaxias
31%inclusion4 decks13 decks
27%synergy
Baral, Chief of Compliance
31%inclusion4 decks13 decks
19%synergy
Lorthos, the Tidemaker
31%inclusion4 decks13 decks
30%synergy
The Peregrine Dynamo
31%inclusion4 decks13 decks
31%synergy
Empress Galina
31%inclusion4 decks13 decks
30%synergy
Jin-Gitaxias, Core Augur
31%inclusion4 decks13 decks
25%synergy
Ultimecia, Temporal Threat
25%inclusion1 decks4 decks
24%synergy
Ultima, Origin of Oblivion
25%inclusion1 decks4 decks
25%synergy
Gogo, Master of Mimicry
25%inclusion1 decks4 decks
22%synergy
Solemn Simulacrum
23%inclusion3 decks13 decks
1%synergy
Ulamog, the Ceaseless Hunger
23%inclusion3 decks13 decks
22%synergy
Braids, Conjurer Adept
23%inclusion3 decks13 decks
23%synergy
Thada Adel, Acquisitor
23%inclusion3 decks13 decks
21%synergy
Adric, Mathematical Genius
23%inclusion3 decks13 decks
22%synergy
Ulamog, the Infinite Gyre
23%inclusion3 decks13 decks
22%synergy
Gadwick, the Wizened
23%inclusion3 decks13 decks
19%synergy
Urza, Lord High Artificer
23%inclusion3 decks13 decks
16%synergy
Talrand, Sky Summoner
23%inclusion3 decks13 decks
9%synergy
Tangletrove Kelp
17%inclusion2 decks12 decks
16%synergy
Curie, Emergent Intelligence
17%inclusion2 decks12 decks
16%synergy
James, Wandering Dad
17%inclusion2 decks12 decks
16%synergy
Forensic Gadgeteer
17%inclusion2 decks12 decks
7%synergy
The Capitoline Triad
17%inclusion2 decks12 decks
17%synergy
Hope of Ghirapur
15%inclusion2 decks13 decks
14%synergy
Ethereal Investigator
15%inclusion2 decks13 decks
14%synergy
Phyrexian Metamorph
15%inclusion2 decks13 decks
-3%synergy
Junk Winder
15%inclusion2 decks13 decks
13%synergy
Martha Jones
15%inclusion2 decks13 decks
15%synergy
Erdwal Illuminator
15%inclusion2 decks13 decks
15%synergy
Artificer's Assistant
15%inclusion2 decks13 decks
12%synergy
Floodhound
15%inclusion2 decks13 decks
15%synergy
Slinn Voda, the Rising Deep
15%inclusion2 decks13 decks
14%synergy
Arcanis the Omnipotent
15%inclusion2 decks13 decks
8%synergy
Tromokratis
15%inclusion2 decks13 decks
14%synergy
Volo, Itinerant Scholar
15%inclusion2 decks13 decks
15%synergy
Instants
Reality Shift
54%inclusion7 decks13 decks
26%synergy
Arcane Denial
54%inclusion7 decks13 decks
18%synergy
Rapid Hybridization
46%inclusion6 decks13 decks
12%synergy
Negate
46%inclusion6 decks13 decks
8%synergy
Desynchronization
42%inclusion5 decks12 decks
37%synergy
Mana Drain
38%inclusion5 decks13 decks
12%synergy
Archmage's Charm
38%inclusion5 decks13 decks
22%synergy
High Tide
38%inclusion5 decks13 decks
-6%synergy
An Offer You Can't Refuse
23%inclusion3 decks13 decks
-13%synergy
Consider
23%inclusion3 decks13 decks
9%synergy
Sublime Epiphany
23%inclusion3 decks13 decks
16%synergy
Opt
23%inclusion3 decks13 decks
-2%synergy
Deduce
23%inclusion3 decks13 decks
21%synergy
Eliminate the Impossible
17%inclusion2 decks12 decks
17%synergy
Secrets of the Key
15%inclusion2 decks13 decks
15%synergy
Disallow
15%inclusion2 decks13 decks
8%synergy
Swan Song
15%inclusion2 decks13 decks
-11%synergy
Confirm Suspicions
15%inclusion2 decks13 decks
15%synergy
Force of Negation
15%inclusion2 decks13 decks
0%synergy
Muddle the Mixture
7.7%inclusion1 decks13 decks
-8%synergy
Disdainful Stroke
7.7%inclusion1 decks13 decks
3%synergy
Stubborn Denial
7.7%inclusion1 decks13 decks
5%synergy
Essence Scatter
7.7%inclusion1 decks13 decks
4%synergy
Leadership Vacuum
7.7%inclusion1 decks13 decks
6%synergy
Blue Sun's Zenith
7.7%inclusion1 decks13 decks
-4%synergy
Dispel
7.7%inclusion1 decks13 decks
-2%synergy
Stoic Rebuttal
7.7%inclusion1 decks13 decks
5%synergy
Redirect
7.7%inclusion1 decks13 decks
6%synergy
Resculpt
7.7%inclusion1 decks13 decks
-11%synergy
Thought Scour
7.7%inclusion1 decks13 decks
0%synergy
Perplexing Test
7.7%inclusion1 decks13 decks
4%synergy
Flusterstorm
7.7%inclusion1 decks13 decks
-2%synergy
Submerge
7.7%inclusion1 decks13 decks
7%synergy
Cackling Counterpart
7.7%inclusion1 decks13 decks
5%synergy
Cryptic Command
7.7%inclusion1 decks13 decks
-4%synergy
Commandeer
7.7%inclusion1 decks13 decks
3%synergy
Silundi Vision
7.7%inclusion1 decks13 decks
2%synergy
Pull from Tomorrow
7.7%inclusion1 decks13 decks
-2%synergy
Rewind
7.7%inclusion1 decks13 decks
-5%synergy
Mystic Confluence
7.7%inclusion1 decks13 decks
-2%synergy
March of Swirling Mist
7.7%inclusion1 decks13 decks
0%synergy
Sorceries
Preordain
38%inclusion5 decks13 decks
14%synergy
Ponder
31%inclusion4 decks13 decks
1%synergy
Lórien Revealed
31%inclusion4 decks13 decks
22%synergy
Windfall
23%inclusion3 decks13 decks
0%synergy
Serum Visions
23%inclusion3 decks13 decks
13%synergy
Ravenform
23%inclusion3 decks13 decks
13%synergy
Hard Evidence
15%inclusion2 decks13 decks
14%synergy
Fabricate
15%inclusion2 decks13 decks
-6%synergy
Press for Answers
15%inclusion2 decks13 decks
15%synergy
Karn's Temporal Sundering
15%inclusion2 decks13 decks
13%synergy
Introduction to Annihilation
15%inclusion2 decks13 decks
15%synergy
Time Stretch
15%inclusion2 decks13 decks
11%synergy
Traverse Eternity
15%inclusion2 decks13 decks
14%synergy
Energy Tap
7.7%inclusion1 decks13 decks
5%synergy
Quantum Misalignment
7.7%inclusion1 decks13 decks
4%synergy
Enter the Infinite
7.7%inclusion1 decks13 decks
3%synergy
Flood of Tears
7.7%inclusion1 decks13 decks
4%synergy
Devastation Tide
7.7%inclusion1 decks13 decks
5%synergy
Sea Gate Restoration
7.7%inclusion1 decks13 decks
-7%synergy
Birthday Escape
7.7%inclusion1 decks13 decks
7%synergy
Curse of the Swine
7.7%inclusion1 decks13 decks
-4%synergy
Temporal Mastery
7.7%inclusion1 decks13 decks
5%synergy
Bribery
7.7%inclusion1 decks13 decks
4%synergy
Quasiduplicate
7.7%inclusion1 decks13 decks
5%synergy
Day's Undoing
7.7%inclusion1 decks13 decks
7%synergy
Sleep
7.7%inclusion1 decks13 decks
6%synergy
Irenicus's Vile Duplication
7.7%inclusion1 decks13 decks
-1%synergy
Inevitable Betrayal
7.7%inclusion1 decks13 decks
6%synergy
Time Warp
7.7%inclusion1 decks13 decks
2%synergy
Utility Artifacts
Champion's Helm
54%inclusion7 decks13 decks
52%synergy
Mithril Coat
46%inclusion6 decks13 decks
43%synergy
Heroes' Podium
46%inclusion6 decks13 decks
46%synergy
Swiftfoot Boots
46%inclusion6 decks13 decks
18%synergy
Blackblade Reforged
46%inclusion6 decks13 decks
41%synergy
Excalibur, Sword of Eden
42%inclusion5 decks12 decks
40%synergy
Helm of the Host
38%inclusion5 decks13 decks
35%synergy
Lightning Greaves
38%inclusion5 decks13 decks
12%synergy
Bident of Thassa
38%inclusion5 decks13 decks
27%synergy
Commander's Plate
31%inclusion4 decks13 decks
26%synergy
The Key to the Vault
25%inclusion3 decks12 decks
23%synergy
Wayfarer's Bauble
23%inclusion3 decks13 decks
5%synergy
Sword of Feast and Famine
23%inclusion3 decks13 decks
22%synergy
Brotherhood Regalia
17%inclusion2 decks12 decks
15%synergy
Quietus Spike
15%inclusion2 decks13 decks
14%synergy
Tamiyo's Journal
15%inclusion2 decks13 decks
14%synergy
Thran Temporal Gateway
15%inclusion2 decks13 decks
15%synergy
Mirror Box
15%inclusion2 decks13 decks
13%synergy
Mirror of Galadriel
15%inclusion2 decks13 decks
15%synergy
Kefnet's Monument
15%inclusion2 decks13 decks
9%synergy
Sword of the Animist
15%inclusion2 decks13 decks
10%synergy
Magnifying Glass
15%inclusion2 decks13 decks
15%synergy
Pip-Boy 3000
8.3%inclusion1 decks12 decks
8%synergy
The Animus
8.3%inclusion1 decks12 decks
8%synergy
Sword of Wealth and Power
8.3%inclusion1 decks12 decks
8%synergy
Voltaic Key
7.7%inclusion1 decks13 decks
2%synergy
Cloud Key
7.7%inclusion1 decks13 decks
1%synergy
Rogue's Gloves
7.7%inclusion1 decks13 decks
7%synergy
Manifold Key
7.7%inclusion1 decks13 decks
1%synergy
Armillary Sphere
7.7%inclusion1 decks13 decks
7%synergy
Traveler's Amulet
7.7%inclusion1 decks13 decks
7%synergy
Confession Dial
7.7%inclusion1 decks13 decks
8%synergy
Mirage Mirror
7.7%inclusion1 decks13 decks
4%synergy
Weatherlight
7.7%inclusion1 decks13 decks
7%synergy
Bessie, the Doctor's Roadster
7.7%inclusion1 decks13 decks
8%synergy
Mirror Gallery
7.7%inclusion1 decks13 decks
7%synergy
Bloodforged Battle-Axe
7.7%inclusion1 decks13 decks
7%synergy
Colossus Hammer
7.7%inclusion1 decks13 decks
7%synergy
Whispersilk Cloak
7.7%inclusion1 decks13 decks
5%synergy
Blade of Selves
7.7%inclusion1 decks13 decks
6%synergy
Mycosynth Wellspring
7.7%inclusion1 decks13 decks
7%synergy
Bilbo's Ring
7.7%inclusion1 decks13 decks
8%synergy
Isochron Scepter
7.7%inclusion1 decks13 decks
-10%synergy
Hero's Blade
7.7%inclusion1 decks13 decks
7%synergy
Enchantments
Combat Research
38%inclusion5 decks13 decks
36%synergy
Aqueous Form
23%inclusion3 decks13 decks
18%synergy
Case of the Filched Falcon
17%inclusion2 decks12 decks
16%synergy
Curious Inquiry
17%inclusion2 decks12 decks
16%synergy
Hold for Questioning
15%inclusion2 decks13 decks
15%synergy
In Bolas's Clutches
15%inclusion2 decks13 decks
15%synergy
Marit Lage's Slumber
15%inclusion2 decks13 decks
15%synergy
Leyline of Singularity
15%inclusion2 decks13 decks
15%synergy
Storm of Saruman
15%inclusion2 decks13 decks
14%synergy
Trail of Evidence
15%inclusion2 decks13 decks
14%synergy
Nerd Rage
8.3%inclusion1 decks12 decks
5%synergy
Proft's Eidetic Memory
8.3%inclusion1 decks12 decks
1%synergy
Ballad of the Black Flag
8.3%inclusion1 decks12 decks
8%synergy
Aether Tunnel
7.7%inclusion1 decks13 decks
7%synergy
Reconnaissance Mission
7.7%inclusion1 decks13 decks
1%synergy
Cloak of Mists
7.7%inclusion1 decks13 decks
7%synergy
Teferi's Ageless Insight
7.7%inclusion1 decks13 decks
-9%synergy
Curiosity
7.7%inclusion1 decks13 decks
5%synergy
Imprisoned in the Moon
7.7%inclusion1 decks13 decks
-4%synergy
Wizard Class
7.7%inclusion1 decks13 decks
-9%synergy
Extravagant Replication
7.7%inclusion1 decks13 decks
5%synergy
Octopus Umbra
7.7%inclusion1 decks13 decks
7%synergy
Omniscience
7.7%inclusion1 decks13 decks
-1%synergy
Followed Footsteps
7.7%inclusion1 decks13 decks
7%synergy
Stasis Field
7.7%inclusion1 decks13 decks
7%synergy
Coastal Piracy
7.7%inclusion1 decks13 decks
3%synergy
Shark Typhoon
7.7%inclusion1 decks13 decks
0%synergy
Tricks of the Trade
7.7%inclusion1 decks13 decks
8%synergy
The Bath Song
7.7%inclusion1 decks13 decks
6%synergy
Propaganda
7.7%inclusion1 decks13 decks
-22%synergy
Battles
Invasion of Segovia
7.7%inclusion1 decks13 decks
6%synergy
Planeswalkers
Kaito, Cunning Infiltrator
38%inclusion3 decks8 decks
36%synergy
Mu Yanling
7.7%inclusion1 decks13 decks
7%synergy
Jace, the Mind Sculptor
7.7%inclusion1 decks13 decks
5%synergy
Jace, Cunning Castaway
7.7%inclusion1 decks13 decks
7%synergy
Teferi, Master of Time
7.7%inclusion1 decks13 decks
2%synergy
Utility Lands
Castle Vantress
62%inclusion8 decks13 decks
43%synergy
Otawara, Soaring City
62%inclusion8 decks13 decks
36%synergy
Mystic Sanctuary
54%inclusion7 decks13 decks
3%synergy
Reliquary Tower
54%inclusion7 decks13 decks
-2%synergy
Nykthos, Shrine to Nyx
46%inclusion6 decks13 decks
30%synergy
War Room
38%inclusion5 decks13 decks
22%synergy
Lonely Sandbar
38%inclusion5 decks13 decks
24%synergy
Dark Depths
38%inclusion5 decks13 decks
37%synergy
Labyrinth of Skophos
23%inclusion3 decks13 decks
23%synergy
Academy Ruins
23%inclusion3 decks13 decks
5%synergy
Great Hall of the Citadel
23%inclusion3 decks13 decks
23%synergy
Temple of the False God
23%inclusion3 decks13 decks
13%synergy
Seafarer's Quay
23%inclusion3 decks13 decks
23%synergy
Sunken Palace
17%inclusion2 decks12 decks
12%synergy
Zhalfirin Void
15%inclusion2 decks13 decks
14%synergy
Untaidake, the Cloud Keeper
15%inclusion2 decks13 decks
15%synergy
Seat of the Synod
15%inclusion2 decks13 decks
-2%synergy
Vesuva
15%inclusion2 decks13 decks
14%synergy
Urza's Saga
15%inclusion2 decks13 decks
-1%synergy
Mystifying Maze
15%inclusion2 decks13 decks
15%synergy
Deserted Temple
15%inclusion2 decks13 decks
15%synergy
Thespian's Stage
15%inclusion2 decks13 decks
13%synergy
The Surgical Bay
15%inclusion2 decks13 decks
14%synergy
Archway of Innovation
8.3%inclusion1 decks12 decks
-3%synergy
Hall of Storm Giants
7.7%inclusion1 decks13 decks
5%synergy
Buried Ruin
7.7%inclusion1 decks13 decks
-5%synergy
Maze of Ith
7.7%inclusion1 decks13 decks
3%synergy
Tyrite Sanctum
7.7%inclusion1 decks13 decks
6%synergy
Desert of the Mindful
7.7%inclusion1 decks13 decks
4%synergy
Terrain Generator
7.7%inclusion1 decks13 decks
0%synergy
Rogue's Passage
7.7%inclusion1 decks13 decks
-7%synergy
Mana Artifacts
Sol Ring
85%inclusion11 decks13 decks
-1%synergy
Relic of Legends
69%inclusion9 decks13 decks
68%synergy
Patriar's Seal
62%inclusion8 decks13 decks
59%synergy
Arcane Signet
54%inclusion7 decks13 decks
-11%synergy
Midnight Clock
54%inclusion7 decks13 decks
33%synergy
Sky Diamond
46%inclusion6 decks13 decks
22%synergy
Throne of Eldraine
38%inclusion5 decks13 decks
29%synergy
Thought Vessel
38%inclusion5 decks13 decks
-13%synergy
Mind Stone
38%inclusion5 decks13 decks
2%synergy
Mox Amber
31%inclusion4 decks13 decks
24%synergy
Crystal Skull, Isu Spyglass
25%inclusion3 decks12 decks
20%synergy
Everflowing Chalice
23%inclusion3 decks13 decks
7%synergy
Commander's Sphere
23%inclusion3 decks13 decks
13%synergy
Decanter of Endless Water
23%inclusion3 decks13 decks
9%synergy
Thran Dynamo
23%inclusion3 decks13 decks
10%synergy
Star Compass
23%inclusion3 decks13 decks
22%synergy
Caged Sun
15%inclusion2 decks13 decks
4%synergy
The Irencrag
15%inclusion2 decks13 decks
15%synergy
Five Hundred Year Diary
15%inclusion2 decks13 decks
15%synergy
Eye of Ramos
15%inclusion2 decks13 decks
15%synergy
Mana Geode
7.7%inclusion1 decks13 decks
7%synergy
Strixhaven Stadium
7.7%inclusion1 decks13 decks
7%synergy
Hedron Archive
7.7%inclusion1 decks13 decks
2%synergy
Honored Heirloom
7.7%inclusion1 decks13 decks
7%synergy
Fountain of Ichor
7.7%inclusion1 decks13 decks
8%synergy
Fellwar Stone
7.7%inclusion1 decks13 decks
-12%synergy
Darksteel Ingot
7.7%inclusion1 decks13 decks
7%synergy
Honor-Worn Shaku
7.7%inclusion1 decks13 decks
7%synergy
Manalith
7.7%inclusion1 decks13 decks
8%synergy
Sonic Screwdriver
7.7%inclusion1 decks13 decks
6%synergy
Nyx Lotus
7.7%inclusion1 decks13 decks
4%synergy
Skyclave Relic
7.7%inclusion1 decks13 decks
6%synergy
Lands
Island
100%inclusion13 decks13 decks
7%synergy
Plaza of Heroes
38%inclusion5 decks13 decks
38%synergy
Myriad Landscape
31%inclusion4 decks13 decks
4%synergy
The Grey Havens
23%inclusion3 decks13 decks
22%synergy
Terramorphic Expanse
15%inclusion2 decks13 decks
12%synergy
Evolving Wilds
15%inclusion2 decks13 decks
11%synergy
Urza's Cave
8.3%inclusion1 decks12 decks
4%synergy
Abstergo Entertainment
8.3%inclusion1 decks12 decks
7%synergy
Sea Gate Restoration
7.7%inclusion1 decks13 decks
-7%synergy
Silundi Vision
7.7%inclusion1 decks13 decks
2%synergy
Glasspool Mimic
7.7%inclusion1 decks13 decks
2%synergy
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