K-9, Mark I (Commander) - Core

K-9, Mark I
Rank #3,464
5decks
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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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Commander Spellbook
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Utility Lands
Mana Artifacts
Lands
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Mm'menon, the Right Hand
100%inclusion1 decks1 decks
97%synergy
Iron Spider, Stark Upgrade
100%inclusion1 decks1 decks
99%synergy
Lady Octopus, Inspired Inventor
100%inclusion1 decks1 decks
98%synergy
Ioreth of the Healing House
60%inclusion3 decks5 decks
57%synergy
Iymrith, Desert Doom
60%inclusion3 decks5 decks
60%synergy
Callaphe, Beloved of the Sea
60%inclusion3 decks5 decks
59%synergy
Eluge, the Shoreless Sea
40%inclusion2 decks5 decks
32%synergy
Piper Wright, Publick Reporter
40%inclusion2 decks5 decks
39%synergy
Marvin, Murderous Mimic
40%inclusion2 decks5 decks
37%synergy
Curie, Emergent Intelligence
40%inclusion2 decks5 decks
39%synergy
Thassa, God of the Sea
40%inclusion2 decks5 decks
36%synergy
Tromokratis
40%inclusion2 decks5 decks
38%synergy
Adric, Mathematical Genius
40%inclusion2 decks5 decks
39%synergy
Grazilaxx, Illithid Scholar
40%inclusion2 decks5 decks
38%synergy
Drafna, Founder of Lat-Nam
40%inclusion2 decks5 decks
37%synergy
Senator Peacock
40%inclusion2 decks5 decks
39%synergy
Unctus, Grand Metatect
40%inclusion2 decks5 decks
34%synergy
Vnwxt, Verbose Host
40%inclusion2 decks5 decks
37%synergy
Ascendant Spirit
40%inclusion2 decks5 decks
40%synergy
Kairi, the Swirling Sky
40%inclusion2 decks5 decks
39%synergy
James, Wandering Dad
40%inclusion2 decks5 decks
39%synergy
Lorthos, the Tidemaker
40%inclusion2 decks5 decks
39%synergy
Thryx, the Sudden Storm
40%inclusion2 decks5 decks
39%synergy
Osgood, Operation Double
40%inclusion2 decks5 decks
39%synergy
Martha Jones
40%inclusion2 decks5 decks
39%synergy
Volo, Itinerant Scholar
40%inclusion2 decks5 decks
40%synergy
Nezahal, Primal Tide
40%inclusion2 decks5 decks
32%synergy
Undercover Operative
20%inclusion1 decks5 decks
18%synergy
Mausoleum Wanderer
20%inclusion1 decks5 decks
19%synergy
Tangletrove Kelp
20%inclusion1 decks5 decks
19%synergy
Syr Ginger, the Meal Ender
20%inclusion1 decks5 decks
19%synergy
Myojin of Cryptic Dreams
20%inclusion1 decks5 decks
19%synergy
Fog Bank
20%inclusion1 decks5 decks
16%synergy
Ornithopter of Paradise
20%inclusion1 decks5 decks
10%synergy
Star Whale
20%inclusion1 decks5 decks
19%synergy
Mirrorhall Mimic
20%inclusion1 decks5 decks
18%synergy
Keiga, the Tide Star
20%inclusion1 decks5 decks
19%synergy
Akal Pakal, First Among Equals
20%inclusion1 decks5 decks
19%synergy
Erdwal Illuminator
20%inclusion1 decks5 decks
19%synergy
Nascent Metamorph
20%inclusion1 decks5 decks
20%synergy
Relic Runner
20%inclusion1 decks5 decks
20%synergy
The Reality Chip
20%inclusion1 decks5 decks
7%synergy
Nardole, Resourceful Cyborg
20%inclusion1 decks5 decks
20%synergy
Arcanis the Omnipotent
20%inclusion1 decks5 decks
13%synergy
Leonardo da Vinci
20%inclusion1 decks5 decks
19%synergy
Shore Keeper
20%inclusion1 decks5 decks
20%synergy
Thousand-Faced Shadow
20%inclusion1 decks5 decks
19%synergy
Defiler of Dreams
20%inclusion1 decks5 decks
11%synergy
Sleep-Cursed Faerie
20%inclusion1 decks5 decks
20%synergy
Trench Gorger
20%inclusion1 decks5 decks
20%synergy
Instants
Reality Shift
60%inclusion3 decks5 decks
33%synergy
Rapid Hybridization
40%inclusion2 decks5 decks
5%synergy
Aetherize
40%inclusion2 decks5 decks
11%synergy
Pongify
40%inclusion2 decks5 decks
0%synergy
Counterspell
40%inclusion2 decks5 decks
-26%synergy
Opt
40%inclusion2 decks5 decks
15%synergy
Phantom Interference
20%inclusion1 decks5 decks
20%synergy
Spell Burst
20%inclusion1 decks5 decks
20%synergy
Run Away Together
20%inclusion1 decks5 decks
16%synergy
Negate
20%inclusion1 decks5 decks
-18%synergy
Stubborn Denial
20%inclusion1 decks5 decks
17%synergy
Dissipate
20%inclusion1 decks5 decks
17%synergy
Fading Hope
20%inclusion1 decks5 decks
18%synergy
Into the Flood Maw
20%inclusion1 decks5 decks
14%synergy
Whispers of the Muse
20%inclusion1 decks5 decks
20%synergy
Fleeting Reflection
20%inclusion1 decks5 decks
19%synergy
Annul
20%inclusion1 decks5 decks
18%synergy
High Tide
20%inclusion1 decks5 decks
-24%synergy
Suspend
20%inclusion1 decks5 decks
18%synergy
See Double
20%inclusion1 decks5 decks
16%synergy
An Offer You Can't Refuse
20%inclusion1 decks5 decks
-17%synergy
Envelop
20%inclusion1 decks5 decks
20%synergy
Brainstorm
20%inclusion1 decks5 decks
-21%synergy
Consider
20%inclusion1 decks5 decks
5%synergy
Dispel
20%inclusion1 decks5 decks
11%synergy
Foil
20%inclusion1 decks5 decks
14%synergy
Unsummon
20%inclusion1 decks5 decks
16%synergy
Engulf the Shore
20%inclusion1 decks5 decks
12%synergy
Eliminate the Impossible
20%inclusion1 decks5 decks
20%synergy
Mystic Confluence
20%inclusion1 decks5 decks
11%synergy
Deduce
20%inclusion1 decks5 decks
18%synergy
Theoretical Duplication
20%inclusion1 decks5 decks
19%synergy
Evacuation
20%inclusion1 decks5 decks
12%synergy
Muddle the Mixture
20%inclusion1 decks5 decks
4%synergy
Secrets of the Key
20%inclusion1 decks5 decks
19%synergy
Quick Study
20%inclusion1 decks5 decks
14%synergy
Resculpt
20%inclusion1 decks5 decks
2%synergy
Archmage's Charm
20%inclusion1 decks5 decks
3%synergy
Perplexing Test
20%inclusion1 decks5 decks
17%synergy
Peek
20%inclusion1 decks5 decks
16%synergy
Submerge
20%inclusion1 decks5 decks
19%synergy
Confirm Suspicions
20%inclusion1 decks5 decks
19%synergy
Wash Away
20%inclusion1 decks5 decks
15%synergy
Repeal
20%inclusion1 decks5 decks
19%synergy
Desynchronization
20%inclusion1 decks5 decks
15%synergy
Sorceries
Ponder
40%inclusion2 decks5 decks
10%synergy
Ravenform
40%inclusion2 decks5 decks
31%synergy
Preordain
40%inclusion2 decks5 decks
16%synergy
Arwen's Gift
40%inclusion2 decks5 decks
40%synergy
Hard Evidence
20%inclusion1 decks5 decks
18%synergy
Windfall
20%inclusion1 decks5 decks
-3%synergy
Sakashima's Will
20%inclusion1 decks5 decks
19%synergy
Stolen Identity
20%inclusion1 decks5 decks
18%synergy
Careful Study
20%inclusion1 decks5 decks
18%synergy
Shifting Grift
20%inclusion1 decks5 decks
19%synergy
Press for Answers
20%inclusion1 decks5 decks
20%synergy
Curse of the Swine
20%inclusion1 decks5 decks
8%synergy
Hunted by The Family
20%inclusion1 decks5 decks
20%synergy
Spectral Deluge
20%inclusion1 decks5 decks
9%synergy
Prosperity
20%inclusion1 decks5 decks
19%synergy
Breakthrough
20%inclusion1 decks5 decks
20%synergy
Quasiduplicate
20%inclusion1 decks5 decks
17%synergy
Traverse Eternity
20%inclusion1 decks5 decks
19%synergy
Multiple Choice
20%inclusion1 decks5 decks
20%synergy
Portent
20%inclusion1 decks5 decks
18%synergy
Compulsive Research
20%inclusion1 decks5 decks
18%synergy
Utility Artifacts
Wayfarer's Bauble
60%inclusion3 decks5 decks
42%synergy
The Regalia
50%inclusion1 decks2 decks
49%synergy
Heroes' Podium
40%inclusion2 decks5 decks
40%synergy
Sword of the Animist
40%inclusion2 decks5 decks
35%synergy
Bident of Thassa
40%inclusion2 decks5 decks
28%synergy
Magnifying Glass
40%inclusion2 decks5 decks
40%synergy
Blackblade Reforged
40%inclusion2 decks5 decks
35%synergy
Sapphire Medallion
40%inclusion2 decks5 decks
-18%synergy
Mirror of Galadriel
40%inclusion2 decks5 decks
40%synergy
Pip-Boy 3000
20%inclusion1 decks5 decks
20%synergy
The Indomitable
20%inclusion1 decks5 decks
18%synergy
Bonesplitter
20%inclusion1 decks5 decks
20%synergy
Traveler's Amulet
20%inclusion1 decks5 decks
19%synergy
Mantle of Tides
20%inclusion1 decks5 decks
20%synergy
Lavaspur Boots
20%inclusion1 decks5 decks
18%synergy
Prized Statue
20%inclusion1 decks5 decks
19%synergy
Weatherlight
20%inclusion1 decks5 decks
19%synergy
Bessie, the Doctor's Roadster
20%inclusion1 decks5 decks
20%synergy
The Key to the Vault
20%inclusion1 decks5 decks
18%synergy
Bloodforged Battle-Axe
20%inclusion1 decks5 decks
19%synergy
Found Footage
20%inclusion1 decks5 decks
20%synergy
Sword of War and Peace
20%inclusion1 decks5 decks
19%synergy
Swiftfoot Boots
20%inclusion1 decks5 decks
-8%synergy
Isochron Scepter
20%inclusion1 decks5 decks
2%synergy
Noble's Purse
20%inclusion1 decks5 decks
20%synergy
Ransom Note
20%inclusion1 decks5 decks
20%synergy
Excalibur, Sword of Eden
20%inclusion1 decks5 decks
18%synergy
Blade of Shared Souls
20%inclusion1 decks5 decks
19%synergy
Lithoform Engine
20%inclusion1 decks5 decks
18%synergy
Tamiyo's Journal
20%inclusion1 decks5 decks
19%synergy
Golem-Skin Gauntlets
20%inclusion1 decks5 decks
20%synergy
Candlestick
20%inclusion1 decks5 decks
20%synergy
Armillary Sphere
20%inclusion1 decks5 decks
20%synergy
Darksteel Axe
20%inclusion1 decks5 decks
20%synergy
Mirror Box
20%inclusion1 decks5 decks
17%synergy
Mirage Mirror
20%inclusion1 decks5 decks
17%synergy
Greataxe
20%inclusion1 decks5 decks
20%synergy
Mycosynth Wellspring
20%inclusion1 decks5 decks
19%synergy
Goldvein Pick
20%inclusion1 decks5 decks
20%synergy
Survivor's Med Kit
20%inclusion1 decks5 decks
20%synergy
Enchantments
Imprisoned in the Moon
60%inclusion3 decks5 decks
48%synergy
Thopter Spy Network
40%inclusion2 decks5 decks
32%synergy
Curious Inquiry
40%inclusion2 decks5 decks
40%synergy
Propaganda
40%inclusion2 decks5 decks
10%synergy
Combat Research
40%inclusion2 decks5 decks
38%synergy
Stormchaser's Talent
20%inclusion1 decks5 decks
19%synergy
Hold for Questioning
20%inclusion1 decks5 decks
20%synergy
Teferi's Ageless Insight
20%inclusion1 decks5 decks
3%synergy
Copy Enchantment
20%inclusion1 decks5 decks
18%synergy
Telepathy
20%inclusion1 decks5 decks
18%synergy
Curious Obsession
20%inclusion1 decks5 decks
19%synergy
Omniscience
20%inclusion1 decks5 decks
11%synergy
Coastal Piracy
20%inclusion1 decks5 decks
16%synergy
Betrayal
20%inclusion1 decks5 decks
20%synergy
Aqueous Form
20%inclusion1 decks5 decks
15%synergy
Case of the Filched Falcon
20%inclusion1 decks5 decks
20%synergy
Wizard Class
20%inclusion1 decks5 decks
3%synergy
Marit Lage's Slumber
20%inclusion1 decks5 decks
19%synergy
Witness Protection
20%inclusion1 decks5 decks
14%synergy
Spreading Seas
20%inclusion1 decks5 decks
19%synergy
Genju of the Falls
20%inclusion1 decks5 decks
20%synergy
Trail of Evidence
20%inclusion1 decks5 decks
19%synergy
Planeswalkers
Mu Yanling
20%inclusion1 decks5 decks
20%synergy
Mordenkainen
20%inclusion1 decks5 decks
17%synergy
Kasmina, Enigmatic Mentor
20%inclusion1 decks5 decks
18%synergy
Kaito, Cunning Infiltrator
20%inclusion1 decks5 decks
18%synergy
Teferi, Temporal Pilgrim
20%inclusion1 decks5 decks
15%synergy
Utility Lands
Castle Vantress
60%inclusion3 decks5 decks
41%synergy
Hall of Storm Giants
40%inclusion2 decks5 decks
38%synergy
Mystic Sanctuary
40%inclusion2 decks5 decks
-10%synergy
Rivendell
40%inclusion2 decks5 decks
29%synergy
War Room
40%inclusion2 decks5 decks
24%synergy
Reliquary Tower
40%inclusion2 decks5 decks
-16%synergy
Lonely Sandbar
40%inclusion2 decks5 decks
26%synergy
Minamo, School at Water's Edge
40%inclusion2 decks5 decks
28%synergy
Faerie Conclave
20%inclusion1 decks5 decks
18%synergy
Scrying Sheets
20%inclusion1 decks5 decks
20%synergy
Seat of the Synod
20%inclusion1 decks5 decks
2%synergy
Desert of the Mindful
20%inclusion1 decks5 decks
16%synergy
Dark Depths
20%inclusion1 decks5 decks
19%synergy
Seafarer's Quay
20%inclusion1 decks5 decks
20%synergy
Tyrite Sanctum
20%inclusion1 decks5 decks
18%synergy
Mirrorpool
20%inclusion1 decks5 decks
19%synergy
Hidden Cataract
20%inclusion1 decks5 decks
18%synergy
Terrain Generator
20%inclusion1 decks5 decks
12%synergy
The Surgical Bay
20%inclusion1 decks5 decks
18%synergy
Vesuva
20%inclusion1 decks5 decks
19%synergy
Memorial to Genius
20%inclusion1 decks5 decks
18%synergy
Thespian's Stage
20%inclusion1 decks5 decks
18%synergy
Otawara, Soaring City
20%inclusion1 decks5 decks
-5%synergy
Mana Artifacts
Arcane Signet
60%inclusion3 decks5 decks
-5%synergy
Sol Ring
60%inclusion3 decks5 decks
-25%synergy
Sky Diamond
40%inclusion2 decks5 decks
17%synergy
Patriar's Seal
40%inclusion2 decks5 decks
38%synergy
Five Hundred Year Diary
20%inclusion1 decks5 decks
19%synergy
Midnight Clock
20%inclusion1 decks5 decks
-1%synergy
Arcum's Astrolabe
20%inclusion1 decks5 decks
19%synergy
Everflowing Chalice
20%inclusion1 decks5 decks
4%synergy
Relic of Legends
20%inclusion1 decks5 decks
18%synergy
Commander's Sphere
20%inclusion1 decks5 decks
10%synergy
Coldsteel Heart
20%inclusion1 decks5 decks
17%synergy
Throne of Eldraine
20%inclusion1 decks5 decks
11%synergy
Machine God's Effigy
20%inclusion1 decks5 decks
17%synergy
Thought Vessel
20%inclusion1 decks5 decks
-32%synergy
Crystal Skull, Isu Spyglass
20%inclusion1 decks5 decks
15%synergy
Mind Stone
20%inclusion1 decks5 decks
-16%synergy
Lands
Island
60%inclusion3 decks5 decks
-34%synergy
Myriad Landscape
60%inclusion3 decks5 decks
34%synergy
Snow-Covered Island
40%inclusion2 decks5 decks
32%synergy
The Mycosynth Gardens
20%inclusion1 decks5 decks
14%synergy
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