K-9, Mark I (Commander)

K-9, Mark I
Rank #3,534
42decks
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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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Ioreth of the Healing House
71%inclusion30 decks42 decks
68%synergy
Iymrith, Desert Doom
57%inclusion24 decks42 decks
57%synergy
Rivendell
67%inclusion28 decks42 decks
55%synergy
Thassa, God of the Sea
48%inclusion20 decks42 decks
44%synergy
Callaphe, Beloved of the Sea
43%inclusion18 decks42 decks
42%synergy
Grazilaxx, Illithid Scholar
43%inclusion18 decks42 decks
41%synergy
Combat Research
43%inclusion18 decks42 decks
41%synergy
Nezahal, Primal Tide
48%inclusion20 decks42 decks
40%synergy
Arwen's Gift
38%inclusion16 decks42 decks
38%synergy
Teferi, Mage of Zhalfir
40%inclusion17 decks42 decks
37%synergy
Top Cards
Sapphire Medallion
62%inclusion26 decks42 decks
3%synergy
Aetherize
57%inclusion24 decks42 decks
28%synergy
Brainstorm
55%inclusion23 decks42 decks
14%synergy
Counterspell
55%inclusion23 decks42 decks
-12%synergy
Pongify
52%inclusion22 decks42 decks
12%synergy
An Offer You Can't Refuse
48%inclusion20 decks42 decks
10%synergy
The Reality Chip
48%inclusion20 decks42 decks
35%synergy
Bident of Thassa
48%inclusion20 decks42 decks
36%synergy
High Tide
45%inclusion19 decks42 decks
1%synergy
Ponder
43%inclusion18 decks42 decks
13%synergy
Game Changers
Cyclonic Rift
31%inclusion13 decks42 decks
-3%synergy
Fierce Guardianship
19%inclusion8 decks42 decks
-4%synergy
Mystical Tutor
14%inclusion6 decks42 decks
-9%synergy
Rhystic Study
12%inclusion5 decks42 decks
-21%synergy
Ancient Tomb
7.1%inclusion3 decks42 decks
-5%synergy
Creatures
Eluge, the Shoreless Sea
41%inclusion16 decks39 decks
33%synergy
Kira, Great Glass-Spinner
36%inclusion15 decks42 decks
33%synergy
Malcolm, Alluring Scoundrel
33%inclusion14 decks42 decks
29%synergy
Atemsis, All-Seeing
33%inclusion14 decks42 decks
31%synergy
Solemn Simulacrum
31%inclusion13 decks42 decks
9%synergy
Unctus, Grand Metatect
31%inclusion13 decks42 decks
25%synergy
Sun Quan, Lord of Wu
31%inclusion13 decks42 decks
30%synergy
The Blue Spirit
31%inclusion4 decks13 decks
30%synergy
Baral, Chief of Compliance
29%inclusion12 decks42 decks
17%synergy
Kairi, the Swirling Sky
29%inclusion12 decks42 decks
28%synergy
Venser, Shaper Savant
26%inclusion11 decks42 decks
20%synergy
Adric, Mathematical Genius
26%inclusion11 decks42 decks
26%synergy
Jin-Gitaxias, Progress Tyrant
24%inclusion10 decks42 decks
16%synergy
Kiora, the Rising Tide
22%inclusion8 decks36 decks
19%synergy
Piper Wright, Publick Reporter
21%inclusion9 decks42 decks
21%synergy
Esior, Wardwing Familiar
21%inclusion9 decks42 decks
18%synergy
Sakashima the Impostor
21%inclusion9 decks42 decks
18%synergy
Gadwick, the Wizened
21%inclusion9 decks42 decks
18%synergy
Ultimecia, Temporal Threat
21%inclusion5 decks24 decks
20%synergy
Thryx, the Sudden Storm
19%inclusion8 decks42 decks
18%synergy
Arcanis the Omnipotent
19%inclusion8 decks42 decks
12%synergy
Sakashima of a Thousand Faces
19%inclusion8 decks42 decks
13%synergy
Jin-Gitaxias
19%inclusion8 decks42 decks
16%synergy
The Peregrine Dynamo
19%inclusion8 decks42 decks
19%synergy
Empress Galina
19%inclusion8 decks42 decks
18%synergy
Curie, Emergent Intelligence
17%inclusion7 decks42 decks
16%synergy
Jhoira's Familiar
17%inclusion7 decks42 decks
11%synergy
Jin-Gitaxias, Core Augur
17%inclusion7 decks42 decks
12%synergy
Artificer's Assistant
17%inclusion7 decks42 decks
13%synergy
Lu Xun, Scholar General
17%inclusion7 decks42 decks
16%synergy
The Mindskinner
16%inclusion6 decks37 decks
13%synergy
Vnwxt, Verbose Host
16%inclusion5 decks31 decks
14%synergy
Jill, Shiva's Dominant
16%inclusion4 decks25 decks
14%synergy
The Mechanist, Aerial Artisan
15%inclusion2 decks13 decks
13%synergy
Forecasting Fortune Teller
15%inclusion2 decks13 decks
15%synergy
Lorthos, the Tidemaker
14%inclusion6 decks42 decks
13%synergy
Talrand, Sky Summoner
14%inclusion6 decks42 decks
1%synergy
Ulamog, the Ceaseless Hunger
12%inclusion5 decks42 decks
11%synergy
Hope of Ghirapur
12%inclusion5 decks42 decks
11%synergy
Osgood, Operation Double
12%inclusion5 decks42 decks
11%synergy
Phyrexian Metamorph
12%inclusion5 decks42 decks
-7%synergy
Cosima, God of the Voyage
12%inclusion5 decks42 decks
11%synergy
Tetsuko Umezawa, Fugitive
12%inclusion5 decks42 decks
9%synergy
Urza, Lord High Artificer
12%inclusion5 decks42 decks
4%synergy
Volo, Itinerant Scholar
12%inclusion5 decks42 decks
12%synergy
Emry, Lurker of the Loch
12%inclusion5 decks42 decks
0%synergy
Spider-Man 2099, Miguel O'Hara
12%inclusion2 decks17 decks
12%synergy
Starwinder
11%inclusion2 decks18 decks
8%synergy
Mockingbird
10%inclusion4 decks39 decks
6%synergy
Alrund, God of the Cosmos
10%inclusion4 decks42 decks
9%synergy
Instants
Rapid Hybridization
43%inclusion18 decks42 decks
8%synergy
Frantic Search
38%inclusion16 decks42 decks
8%synergy
Reality Shift
38%inclusion16 decks42 decks
11%synergy
Negate
36%inclusion15 decks42 decks
-2%synergy
Desynchronization
34%inclusion14 decks41 decks
29%synergy
Opt
33%inclusion14 decks42 decks
8%synergy
Arcane Denial
33%inclusion14 decks42 decks
-3%synergy
Archmage's Charm
29%inclusion12 decks42 decks
12%synergy
Consider
26%inclusion11 decks42 decks
11%synergy
Mana Drain
19%inclusion8 decks42 decks
-8%synergy
Louisoix's Sacrifice
17%inclusion4 decks23 decks
16%synergy
Glorious Gale
17%inclusion7 decks42 decks
16%synergy
Spell Pierce
17%inclusion7 decks42 decks
8%synergy
Lost Days
15%inclusion2 decks13 decks
15%synergy
Mystic Confluence
14%inclusion6 decks42 decks
5%synergy
Swan Song
14%inclusion6 decks42 decks
-12%synergy
Wash Away
14%inclusion6 decks42 decks
10%synergy
Magic Damper
14%inclusion3 decks22 decks
10%synergy
Bounce Off
13%inclusion4 decks31 decks
12%synergy
Sublime Epiphany
12%inclusion5 decks42 decks
5%synergy
Dispel
12%inclusion5 decks42 decks
3%synergy
Twiddle
12%inclusion5 decks42 decks
9%synergy
Soothing of Sméagol
12%inclusion5 decks42 decks
11%synergy
Disallow
12%inclusion5 decks42 decks
5%synergy
Cryptic Command
12%inclusion5 decks42 decks
0%synergy
Deduce
12%inclusion5 decks42 decks
10%synergy
Muddle the Mixture
10%inclusion4 decks42 decks
-6%synergy
Slip Out the Back
10%inclusion4 decks42 decks
2%synergy
Tale's End
10%inclusion4 decks42 decks
6%synergy
Twisted Image
10%inclusion4 decks42 decks
6%synergy
Dreadful as the Storm
10%inclusion4 decks42 decks
9%synergy
Rewind
10%inclusion4 decks42 decks
-3%synergy
Evacuation
10%inclusion4 decks42 decks
2%synergy
Stoic Rebuttal
10%inclusion4 decks42 decks
7%synergy
Phantom Interference
7.3%inclusion3 decks41 decks
7%synergy
Secrets of the Key
7.1%inclusion3 decks42 decks
7%synergy
Envelop
7.1%inclusion3 decks42 decks
7%synergy
Confirm Suspicions
7.1%inclusion3 decks42 decks
7%synergy
Silundi Vision
7.1%inclusion3 decks42 decks
2%synergy
Shore Up
7.1%inclusion3 decks42 decks
2%synergy
Vault Skyward
7.1%inclusion3 decks42 decks
7%synergy
Cerulean Wisps
7.1%inclusion3 decks42 decks
4%synergy
March of Swirling Mist
7.1%inclusion3 decks42 decks
-1%synergy
Into the Flood Maw
5.1%inclusion2 decks39 decks
-1%synergy
Sorceries
Preordain
40%inclusion17 decks42 decks
17%synergy
Serum Visions
24%inclusion10 decks42 decks
14%synergy
Birthday Escape
21%inclusion9 decks42 decks
20%synergy
Lórien Revealed
21%inclusion9 decks42 decks
13%synergy
Karn's Temporal Sundering
17%inclusion7 decks42 decks
14%synergy
Ravenform
17%inclusion7 decks42 decks
8%synergy
Will of the Temur
15%inclusion4 decks27 decks
13%synergy
Windfall
14%inclusion6 decks42 decks
-8%synergy
Enter the Enigma
14%inclusion5 decks37 decks
7%synergy
Irenicus's Vile Duplication
12%inclusion5 decks42 decks
4%synergy
Hard Evidence
10%inclusion4 decks42 decks
8%synergy
Void Snare
10%inclusion4 decks42 decks
9%synergy
Quantum Misalignment
10%inclusion4 decks42 decks
6%synergy
Time Stretch
10%inclusion4 decks42 decks
5%synergy
Quasiduplicate
10%inclusion4 decks42 decks
7%synergy
Horses of the Bruinen
7.1%inclusion3 decks42 decks
7%synergy
Careful Study
7.1%inclusion3 decks42 decks
5%synergy
Press for Answers
7.1%inclusion3 decks42 decks
7%synergy
Devastation Tide
7.1%inclusion3 decks42 decks
5%synergy
Traverse Eternity
7.1%inclusion3 decks42 decks
6%synergy
Utility Artifacts
Swiftfoot Boots
40%inclusion17 decks42 decks
12%synergy
Champion's Helm
38%inclusion16 decks42 decks
36%synergy
Heroes' Podium
36%inclusion15 decks42 decks
36%synergy
Blackblade Reforged
33%inclusion14 decks42 decks
29%synergy
Excalibur, Sword of Eden
32%inclusion13 decks41 decks
30%synergy
Wayfarer's Bauble
26%inclusion11 decks42 decks
8%synergy
Helm of the Host
24%inclusion10 decks42 decks
20%synergy
The Key to the Vault
20%inclusion8 decks41 decks
18%synergy
Mirror of Galadriel
19%inclusion8 decks42 decks
19%synergy
Mirror Box
19%inclusion8 decks42 decks
16%synergy
Mithril Coat
19%inclusion8 decks42 decks
16%synergy
Kefnet's Monument
19%inclusion8 decks42 decks
13%synergy
Lightning Greaves
19%inclusion8 decks42 decks
-7%synergy
Brotherhood Regalia
17%inclusion7 decks41 decks
15%synergy
Waterbending Scroll
15%inclusion2 decks13 decks
6%synergy
Commander's Plate
14%inclusion6 decks42 decks
10%synergy
Colossus Hammer
12%inclusion5 decks42 decks
11%synergy
Crown of Gondor
12%inclusion5 decks42 decks
12%synergy
Voltaic Key
10%inclusion4 decks42 decks
4%synergy
Quietus Spike
10%inclusion4 decks42 decks
8%synergy
The Indomitable
10%inclusion4 decks42 decks
7%synergy
Candlestick
10%inclusion4 decks42 decks
9%synergy
Manifold Key
10%inclusion4 decks42 decks
3%synergy
Confession Dial
10%inclusion4 decks42 decks
9%synergy
Weatherlight
10%inclusion4 decks42 decks
9%synergy
Thran Temporal Gateway
10%inclusion4 decks42 decks
9%synergy
Sword of Feast and Famine
10%inclusion4 decks42 decks
8%synergy
Magnifying Glass
10%inclusion4 decks42 decks
9%synergy
Fire Nation Warship
7.7%inclusion1 decks13 decks
8%synergy
Dragonfire Blade
7.4%inclusion2 decks27 decks
7%synergy
Lavaspur Boots
7.3%inclusion3 decks41 decks
5%synergy
Mjölnir, Storm Hammer
7.3%inclusion3 decks41 decks
6%synergy
Tamiyo's Journal
7.1%inclusion3 decks42 decks
6%synergy
Sword of the Chosen
7.1%inclusion3 decks42 decks
7%synergy
Sword of the Animist
7.1%inclusion3 decks42 decks
2%synergy
Hero's Blade
7.1%inclusion3 decks42 decks
7%synergy
Bessie, the Doctor's Roadster
7.1%inclusion3 decks42 decks
7%synergy
Bloodforged Battle-Axe
7.1%inclusion3 decks42 decks
6%synergy
Enchantments
Teferi's Ageless Insight
36%inclusion15 decks42 decks
19%synergy
Imprisoned in the Moon
31%inclusion13 decks42 decks
19%synergy
Wizard Class
31%inclusion13 decks42 decks
14%synergy
Aqueous Form
29%inclusion12 decks42 decks
23%synergy
Propaganda
29%inclusion12 decks42 decks
-2%synergy
Mystic Remora
21%inclusion9 decks42 decks
-5%synergy
Ominous Seas
19%inclusion8 decks42 decks
8%synergy
Witness Protection
14%inclusion6 decks42 decks
9%synergy
Leyline of Singularity
14%inclusion6 decks42 decks
14%synergy
Sleep Magic
13%inclusion3 decks23 decks
13%synergy
Curiosity
12%inclusion5 decks42 decks
9%synergy
Curious Inquiry
12%inclusion5 decks42 decks
11%synergy
Omniscience
12%inclusion5 decks42 decks
3%synergy
Ballad of the Black Flag
10%inclusion4 decks41 decks
9%synergy
Reconnaissance Mission
10%inclusion4 decks42 decks
3%synergy
Case of the Filched Falcon
10%inclusion4 decks42 decks
9%synergy
Scroll of Isildur
10%inclusion4 decks42 decks
9%synergy
Storm of Saruman
10%inclusion4 decks42 decks
8%synergy
Telepathy
10%inclusion4 decks42 decks
7%synergy
Stormchaser's Talent
7.7%inclusion3 decks39 decks
6%synergy
Waterbender Ascension
7.7%inclusion1 decks13 decks
4%synergy
Aether Tunnel
7.1%inclusion3 decks42 decks
6%synergy
Hold for Questioning
7.1%inclusion3 decks42 decks
7%synergy
Curious Obsession
7.1%inclusion3 decks42 decks
6%synergy
Coastal Piracy
7.1%inclusion3 decks42 decks
3%synergy
Thopter Spy Network
7.1%inclusion3 decks42 decks
-1%synergy
Thassa's Ire
7.1%inclusion3 decks42 decks
7%synergy
Crab Umbra
7.1%inclusion3 decks42 decks
6%synergy
Marit Lage's Slumber
7.1%inclusion3 decks42 decks
7%synergy
Trail of Evidence
7.1%inclusion3 decks42 decks
6%synergy
Fortune Teller's Talent
5.1%inclusion2 decks39 decks
4%synergy
Planeswalkers
Kaito, Cunning Infiltrator
17%inclusion6 decks36 decks
15%synergy
Kasmina, Enigmatic Mentor
12%inclusion5 decks42 decks
10%synergy
Teferi, Temporal Pilgrim
10%inclusion4 decks42 decks
4%synergy
Mordenkainen
10%inclusion4 decks42 decks
7%synergy
Teferi, Master of Time
10%inclusion4 decks42 decks
5%synergy
Jace, Wielder of Mysteries
7.1%inclusion3 decks42 decks
-8%synergy
Jace, the Mind Sculptor
7.1%inclusion3 decks42 decks
4%synergy
Utility Lands
Reliquary Tower
48%inclusion20 decks42 decks
-9%synergy
Mystic Sanctuary
45%inclusion19 decks42 decks
-5%synergy
Castle Vantress
40%inclusion17 decks42 decks
22%synergy
Minamo, School at Water's Edge
38%inclusion16 decks42 decks
26%synergy
Otawara, Soaring City
36%inclusion15 decks42 decks
10%synergy
Nykthos, Shrine to Nyx
29%inclusion12 decks42 decks
12%synergy
Lonely Sandbar
29%inclusion12 decks42 decks
15%synergy
War Room
24%inclusion10 decks42 decks
8%synergy
Academy Ruins
17%inclusion7 decks42 decks
-2%synergy
Rogue's Passage
17%inclusion7 decks42 decks
1%synergy
Agna Qel'a
15%inclusion2 decks13 decks
8%synergy
Seat of the Synod
14%inclusion6 decks42 decks
-4%synergy
Urza's Saga
14%inclusion6 decks42 decks
-2%synergy
Dark Depths
14%inclusion6 decks42 decks
13%synergy
Seafarer's Quay
14%inclusion6 decks42 decks
14%synergy
Hall of Storm Giants
12%inclusion5 decks42 decks
10%synergy
Great Hall of the Citadel
12%inclusion5 decks42 decks
12%synergy
Tyrite Sanctum
10%inclusion4 decks42 decks
8%synergy
Thespian's Stage
10%inclusion4 decks42 decks
7%synergy
Buried Ruin
7.1%inclusion3 decks42 decks
-5%synergy
Halimar Depths
7.1%inclusion3 decks42 decks
-3%synergy
Labyrinth of Skophos
7.1%inclusion3 decks42 decks
7%synergy
The Surgical Bay
7.1%inclusion3 decks42 decks
6%synergy
Temple of the False God
7.1%inclusion3 decks42 decks
-3%synergy
Mistrise Village
6.7%inclusion2 decks30 decks
-3%synergy
Mana Artifacts
Sol Ring
71%inclusion30 decks42 decks
-14%synergy
Relic of Legends
48%inclusion20 decks42 decks
46%synergy
Arcane Signet
45%inclusion19 decks42 decks
-20%synergy
Patriar's Seal
40%inclusion17 decks42 decks
38%synergy
Midnight Clock
36%inclusion15 decks42 decks
15%synergy
Thought Vessel
33%inclusion14 decks42 decks
-18%synergy
Crystal Skull, Isu Spyglass
32%inclusion13 decks41 decks
27%synergy
Mind Stone
26%inclusion11 decks42 decks
-9%synergy
Sky Diamond
24%inclusion10 decks42 decks
1%synergy
Commander's Sphere
19%inclusion8 decks42 decks
10%synergy
Throne of Eldraine
19%inclusion8 decks42 decks
10%synergy
Mox Amber
17%inclusion7 decks42 decks
9%synergy
Decanter of Endless Water
14%inclusion6 decks42 decks
0%synergy
Thran Dynamo
14%inclusion6 decks42 decks
1%synergy
Caged Sun
12%inclusion5 decks42 decks
1%synergy
The Irencrag
12%inclusion5 decks42 decks
11%synergy
Nyx Lotus
10%inclusion4 decks42 decks
6%synergy
Everflowing Chalice
7.1%inclusion3 decks42 decks
-9%synergy
Fellwar Stone
7.1%inclusion3 decks42 decks
-13%synergy
Five Hundred Year Diary
7.1%inclusion3 decks42 decks
6%synergy
Bender's Waterskin
5.9%inclusion1 decks17 decks
-4%synergy
Lands
Island
90%inclusion38 decks42 decks
-3%synergy
Myriad Landscape
24%inclusion10 decks42 decks
-2%synergy
Plaza of Heroes
19%inclusion8 decks42 decks
18%synergy
The Grey Havens
17%inclusion7 decks42 decks
16%synergy
Snow-Covered Island
10%inclusion4 decks42 decks
2%synergy
Silundi Vision
7.1%inclusion3 decks42 decks
2%synergy
Daily Bugle Building
6.3%inclusion1 decks16 decks
6%synergy
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