K-9, Mark I (Commander) - Upgraded

K-9, Mark I
Rank #3,455
7decks
As CommanderAs PartnerAs CardAverage DeckDecks
Bracket
All12345
Budget
Any
$
$$$
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
The Mechanist, Aerial Artisan
100%inclusion1 decks1 decks
97%synergy
Agna Qel'a
100%inclusion1 decks1 decks
94%synergy
Lost Days
100%inclusion1 decks1 decks
99%synergy
Forecasting Fortune Teller
100%inclusion1 decks1 decks
100%synergy
High Synergy Cards
Ioreth of the Healing House
100%inclusion7 decks7 decks
97%synergy
Rivendell
86%inclusion6 decks7 decks
74%synergy
Bident of Thassa
71%inclusion5 decks7 decks
60%synergy
Heroes' Podium
57%inclusion4 decks7 decks
57%synergy
The Peregrine Dynamo
57%inclusion4 decks7 decks
57%synergy
Iymrith, Desert Doom
57%inclusion4 decks7 decks
57%synergy
Empress Galina
57%inclusion4 decks7 decks
56%synergy
Champion's Helm
57%inclusion4 decks7 decks
55%synergy
Sakashima the Impostor
57%inclusion4 decks7 decks
54%synergy
Teferi, Mage of Zhalfir
57%inclusion4 decks7 decks
54%synergy
Top Cards
Brainstorm
86%inclusion6 decks7 decks
44%synergy
Counterspell
86%inclusion6 decks7 decks
19%synergy
Ponder
71%inclusion5 decks7 decks
42%synergy
Pongify
71%inclusion5 decks7 decks
31%synergy
Rapid Hybridization
71%inclusion5 decks7 decks
37%synergy
Frantic Search
71%inclusion5 decks7 decks
42%synergy
Sapphire Medallion
71%inclusion5 decks7 decks
14%synergy
An Offer You Can't Refuse
57%inclusion4 decks7 decks
21%synergy
Aetherize
57%inclusion4 decks7 decks
29%synergy
Baral, Chief of Compliance
57%inclusion4 decks7 decks
45%synergy
Game Changers
Cyclonic Rift
43%inclusion3 decks7 decks
8%synergy
Thassa's Oracle
29%inclusion2 decks7 decks
15%synergy
Ancient Tomb
29%inclusion2 decks7 decks
16%synergy
Rhystic Study
29%inclusion2 decks7 decks
-5%synergy
Fierce Guardianship
29%inclusion2 decks7 decks
5%synergy
The One Ring
14%inclusion1 decks7 decks
2%synergy
Mystical Tutor
14%inclusion1 decks7 decks
-10%synergy
Creatures
Eluge, the Shoreless Sea
43%inclusion3 decks7 decks
34%synergy
Kira, Great Glass-Spinner
43%inclusion3 decks7 decks
40%synergy
Nezahal, Primal Tide
43%inclusion3 decks7 decks
35%synergy
Grazilaxx, Illithid Scholar
43%inclusion3 decks7 decks
41%synergy
Kiora, the Rising Tide
43%inclusion3 decks7 decks
40%synergy
Callaphe, Beloved of the Sea
43%inclusion3 decks7 decks
42%synergy
The Reality Chip
43%inclusion3 decks7 decks
30%synergy
Spider-Man 2099, Miguel O'Hara
33%inclusion1 decks3 decks
33%synergy
Solemn Simulacrum
29%inclusion2 decks7 decks
6%synergy
Beguiler of Wills
29%inclusion2 decks7 decks
28%synergy
Aquamoeba
29%inclusion2 decks7 decks
29%synergy
Unctus, Grand Metatect
29%inclusion2 decks7 decks
23%synergy
Sicarian Infiltrator
29%inclusion2 decks7 decks
28%synergy
Cosima, God of the Voyage
29%inclusion2 decks7 decks
28%synergy
Rayne, Academy Chancellor
29%inclusion2 decks7 decks
28%synergy
Hermitic Nautilus
29%inclusion2 decks7 decks
28%synergy
Kami of the Crescent Moon
29%inclusion2 decks7 decks
26%synergy
Skill Borrower
29%inclusion2 decks7 decks
29%synergy
Malcolm, Alluring Scoundrel
29%inclusion2 decks7 decks
24%synergy
Toothy, Imaginary Friend
29%inclusion2 decks7 decks
25%synergy
Malcator's Watcher
29%inclusion2 decks7 decks
28%synergy
Aarakocra Sneak
29%inclusion2 decks7 decks
28%synergy
Mockingbird
29%inclusion2 decks7 decks
25%synergy
Fblthp, the Lost
29%inclusion2 decks7 decks
27%synergy
Looter il-Kor
29%inclusion2 decks7 decks
26%synergy
Traxos, Scourge of Kroog
29%inclusion2 decks7 decks
27%synergy
Tetsuko Umezawa, Fugitive
29%inclusion2 decks7 decks
26%synergy
Minn, Wily Illusionist
29%inclusion2 decks7 decks
26%synergy
Clever Impersonator
29%inclusion2 decks7 decks
23%synergy
Mathise, Surge Channeler
29%inclusion2 decks7 decks
28%synergy
Urza, Lord High Artificer
29%inclusion2 decks7 decks
21%synergy
Ledger Shredder
29%inclusion2 decks7 decks
22%synergy
Thassa, God of the Sea
29%inclusion2 decks7 decks
25%synergy
Chasm Skulker
29%inclusion2 decks7 decks
16%synergy
Jin-Gitaxias, Progress Tyrant
29%inclusion2 decks7 decks
20%synergy
Ascendant Spirit
29%inclusion2 decks7 decks
28%synergy
Spark Double
29%inclusion2 decks7 decks
15%synergy
Adric, Mathematical Genius
29%inclusion2 decks7 decks
28%synergy
Esior, Wardwing Familiar
29%inclusion2 decks7 decks
26%synergy
Lu Xun, Scholar General
29%inclusion2 decks7 decks
28%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
Ghost of Ramirez DePietro
14%inclusion1 decks7 decks
14%synergy
Elrond, Lord of Rivendell
14%inclusion1 decks7 decks
14%synergy
Venser, Shaper Savant
14%inclusion1 decks7 decks
8%synergy
Jacob Hauken, Inspector
14%inclusion1 decks7 decks
13%synergy
Flesh Duplicate
14%inclusion1 decks7 decks
13%synergy
Donal, Herald of Wings
14%inclusion1 decks7 decks
14%synergy
Evie Frye
14%inclusion1 decks7 decks
14%synergy
Instants
High Tide
57%inclusion4 decks7 decks
13%synergy
Arcane Denial
57%inclusion4 decks7 decks
21%synergy
Glorious Gale
43%inclusion3 decks7 decks
42%synergy
Desynchronization
43%inclusion3 decks7 decks
38%synergy
Reality Shift
43%inclusion3 decks7 decks
15%synergy
Negate
29%inclusion2 decks7 decks
-10%synergy
Twisted Image
29%inclusion2 decks7 decks
25%synergy
Mana Drain
29%inclusion2 decks7 decks
2%synergy
Soothing of Sméagol
29%inclusion2 decks7 decks
28%synergy
Dreadful as the Storm
29%inclusion2 decks7 decks
28%synergy
Consider
14%inclusion1 decks7 decks
0%synergy
Secrets of the Key
14%inclusion1 decks7 decks
14%synergy
Blue Sun's Zenith
14%inclusion1 decks7 decks
3%synergy
Archmage's Charm
14%inclusion1 decks7 decks
-2%synergy
Swan Song
14%inclusion1 decks7 decks
-12%synergy
Confirm Suspicions
14%inclusion1 decks7 decks
14%synergy
Deduce
14%inclusion1 decks7 decks
12%synergy
Disallow
14%inclusion1 decks7 decks
7%synergy
Tale's End
14%inclusion1 decks7 decks
11%synergy
Cackling Counterpart
14%inclusion1 decks7 decks
11%synergy
Sorceries
Arwen's Gift
43%inclusion3 decks7 decks
43%synergy
Lórien Revealed
43%inclusion3 decks7 decks
34%synergy
Preordain
43%inclusion3 decks7 decks
19%synergy
Horses of the Bruinen
29%inclusion2 decks7 decks
28%synergy
Birthday Escape
29%inclusion2 decks7 decks
27%synergy
Serum Visions
29%inclusion2 decks7 decks
18%synergy
Hard Evidence
14%inclusion1 decks7 decks
12%synergy
Windfall
14%inclusion1 decks7 decks
-9%synergy
Quantum Misalignment
14%inclusion1 decks7 decks
11%synergy
Enter the Infinite
14%inclusion1 decks7 decks
10%synergy
Quasiduplicate
14%inclusion1 decks7 decks
11%synergy
Press for Answers
14%inclusion1 decks7 decks
14%synergy
Nanogene Conversion
14%inclusion1 decks7 decks
13%synergy
Karn's Temporal Sundering
14%inclusion1 decks7 decks
12%synergy
Irenicus's Vile Duplication
14%inclusion1 decks7 decks
6%synergy
Utility Artifacts
Mirror Box
43%inclusion3 decks7 decks
40%synergy
Swiftfoot Boots
43%inclusion3 decks7 decks
15%synergy
Blackblade Reforged
43%inclusion3 decks7 decks
38%synergy
Excalibur, Sword of Eden
43%inclusion3 decks7 decks
41%synergy
Lightning Greaves
43%inclusion3 decks7 decks
17%synergy
Mithril Coat
29%inclusion2 decks7 decks
25%synergy
Confession Dial
29%inclusion2 decks7 decks
29%synergy
Ichormoon Gauntlet
29%inclusion2 decks7 decks
26%synergy
Hero's Blade
29%inclusion2 decks7 decks
28%synergy
Helm of the Host
29%inclusion2 decks7 decks
25%synergy
Brotherhood Regalia
29%inclusion2 decks7 decks
27%synergy
Crown of Gondor
29%inclusion2 decks7 decks
29%synergy
Quietus Spike
14%inclusion1 decks7 decks
13%synergy
Cloud Key
14%inclusion1 decks7 decks
7%synergy
Sword of the Chosen
14%inclusion1 decks7 decks
14%synergy
Ace's Baseball Bat
14%inclusion1 decks7 decks
14%synergy
Tamiyo's Journal
14%inclusion1 decks7 decks
13%synergy
Weatherlight
14%inclusion1 decks7 decks
14%synergy
Mirror Gallery
14%inclusion1 decks7 decks
14%synergy
Thran Temporal Gateway
14%inclusion1 decks7 decks
14%synergy
Blade of Selves
14%inclusion1 decks7 decks
13%synergy
Commander's Plate
14%inclusion1 decks7 decks
10%synergy
Magnifying Glass
14%inclusion1 decks7 decks
14%synergy
Mirror of Galadriel
14%inclusion1 decks7 decks
14%synergy
Konda's Banner
14%inclusion1 decks7 decks
14%synergy
Andúril, Flame of the West
14%inclusion1 decks7 decks
14%synergy
Mjölnir, Storm Hammer
14%inclusion1 decks7 decks
13%synergy
Hero's Heirloom
14%inclusion1 decks7 decks
14%synergy
Enchantments
Wizard Class
43%inclusion3 decks7 decks
26%synergy
Combat Research
43%inclusion3 decks7 decks
41%synergy
Teferi's Ageless Insight
29%inclusion2 decks7 decks
11%synergy
Ominous Seas
29%inclusion2 decks7 decks
18%synergy
Mystic Remora
29%inclusion2 decks7 decks
1%synergy
Scroll of Isildur
29%inclusion2 decks7 decks
28%synergy
Hold for Questioning
14%inclusion1 decks7 decks
14%synergy
Aqueous Form
14%inclusion1 decks7 decks
9%synergy
Imprisoned in the Moon
14%inclusion1 decks7 decks
2%synergy
Case of the Filched Falcon
14%inclusion1 decks7 decks
14%synergy
Extravagant Replication
14%inclusion1 decks7 decks
12%synergy
Nerd Rage
14%inclusion1 decks7 decks
11%synergy
Octopus Umbra
14%inclusion1 decks7 decks
14%synergy
Followed Footsteps
14%inclusion1 decks7 decks
14%synergy
Marit Lage's Slumber
14%inclusion1 decks7 decks
14%synergy
Leyline of Singularity
14%inclusion1 decks7 decks
14%synergy
Curious Inquiry
14%inclusion1 decks7 decks
14%synergy
Storm of Saruman
14%inclusion1 decks7 decks
13%synergy
Ballad of the Black Flag
14%inclusion1 decks7 decks
14%synergy
Trail of Evidence
14%inclusion1 decks7 decks
13%synergy
Propaganda
14%inclusion1 decks7 decks
-15%synergy
Planeswalkers
Teferi, Temporal Archmage
29%inclusion2 decks7 decks
27%synergy
Jace, Wielder of Mysteries
29%inclusion2 decks7 decks
14%synergy
Teferi, Temporal Pilgrim
29%inclusion2 decks7 decks
23%synergy
Mordenkainen
29%inclusion2 decks7 decks
25%synergy
Jace, the Mind Sculptor
29%inclusion2 decks7 decks
26%synergy
Vronos, Masked Inquisitor
29%inclusion2 decks7 decks
28%synergy
Jace Beleren
29%inclusion2 decks7 decks
25%synergy
Teferi, Master of Time
29%inclusion2 decks7 decks
23%synergy
Kasmina, Enigmatic Mentor
29%inclusion2 decks7 decks
27%synergy
Jace, Cunning Castaway
14%inclusion1 decks7 decks
13%synergy
Jace, Mirror Mage
14%inclusion1 decks7 decks
13%synergy
Utility Lands
Mystic Sanctuary
71%inclusion5 decks7 decks
21%synergy
Reliquary Tower
71%inclusion5 decks7 decks
15%synergy
Castle Vantress
71%inclusion5 decks7 decks
52%synergy
Otawara, Soaring City
71%inclusion5 decks7 decks
46%synergy
Lonely Sandbar
57%inclusion4 decks7 decks
43%synergy
Nykthos, Shrine to Nyx
57%inclusion4 decks7 decks
41%synergy
Minamo, School at Water's Edge
43%inclusion3 decks7 decks
31%synergy
Hall of Storm Giants
29%inclusion2 decks7 decks
26%synergy
Halimar Depths
29%inclusion2 decks7 decks
18%synergy
Urza's Saga
29%inclusion2 decks7 decks
12%synergy
Academy Ruins
29%inclusion2 decks7 decks
10%synergy
Dark Depths
29%inclusion2 decks7 decks
27%synergy
Temple of the False God
29%inclusion2 decks7 decks
18%synergy
Dungeon Descent
29%inclusion2 decks7 decks
28%synergy
War Room
29%inclusion2 decks7 decks
12%synergy
Seafarer's Quay
29%inclusion2 decks7 decks
29%synergy
Seat of the Synod
14%inclusion1 decks7 decks
-4%synergy
Tyrite Sanctum
14%inclusion1 decks7 decks
12%synergy
Thespian's Stage
14%inclusion1 decks7 decks
12%synergy
Great Hall of the Citadel
14%inclusion1 decks7 decks
14%synergy
Mana Artifacts
Midnight Clock
71%inclusion5 decks7 decks
51%synergy
Sol Ring
57%inclusion4 decks7 decks
-28%synergy
Patriar's Seal
57%inclusion4 decks7 decks
55%synergy
Relic of Legends
57%inclusion4 decks7 decks
55%synergy
Mox Amber
43%inclusion3 decks7 decks
36%synergy
Caged Sun
29%inclusion2 decks7 decks
17%synergy
Sky Diamond
29%inclusion2 decks7 decks
5%synergy
Throne of Eldraine
29%inclusion2 decks7 decks
19%synergy
Lapis Orb of Dragonkind
29%inclusion2 decks7 decks
28%synergy
Misleading Signpost
29%inclusion2 decks7 decks
24%synergy
Crystal Skull, Isu Spyglass
29%inclusion2 decks7 decks
24%synergy
Arcane Signet
14%inclusion1 decks7 decks
-51%synergy
Altar of the Pantheon
14%inclusion1 decks7 decks
14%synergy
Decanter of Endless Water
14%inclusion1 decks7 decks
0%synergy
The Irencrag
14%inclusion1 decks7 decks
14%synergy
Thought Vessel
14%inclusion1 decks7 decks
-37%synergy
Five Hundred Year Diary
14%inclusion1 decks7 decks
13%synergy
Mind Stone
14%inclusion1 decks7 decks
-22%synergy
Nyx Lotus
14%inclusion1 decks7 decks
10%synergy
Lands
Island
71%inclusion5 decks7 decks
-22%synergy
Snow-Covered Island
29%inclusion2 decks7 decks
21%synergy
Plaza of Heroes
29%inclusion2 decks7 decks
28%synergy
Myriad Landscape
14%inclusion1 decks7 decks
-12%synergy
The Grey Havens
14%inclusion1 decks7 decks
14%synergy
Abstergo Entertainment
14%inclusion1 decks7 decks
13%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test