K-9, Mark I
$2.84
$2.84Legendary Artifact Creature — Robot Dog
How it feels to play against
Mildly Annoying
Some frustrating moments but still fun.
Popularity
Niche Pick
Less common, brings surprise factor.
Ranking
#3410
Current Rank
#3261
Last Month
Mono-Blue Combos
Debut Set
Decks on Moxfield
Decks on Archidekt
Scryfall
CardmarketVideos
Commander gameplay videos featuring K-9, Mark I.
cEDH GAMEPLAY, ALMOST TO 1K SUBS! KRARK THRASIOS X K 9 14TH DR X GITROG MONSTER X NARU MEHA
cEDH GAMEPLAY, WHAT THE FRINGE! ROON X TYMNA KRARK X NARU X THE FOURTEENTH DOCTOR K 9
Can't think of a title but it was a sweet game - Cedh - War Doctor/K-9 vs Xolatoyac vs Lonis vs Godo
Say NO to Wheels - Cedh Gameplay - 14th Doctor Vs Malcolm/Vialsmasher Vs Tymna/Jeska Vs Jeska/Ishai
Doctor Commanders
K-9, Mark I can be the companion for any of these 17 Doctors.
The War Doctor
The Fourteenth Doctor
The Tenth Doctor
The First Doctor
The Seventh Doctor
The Ninth Doctor
The Fugitive Doctor
The Second Doctor
The Sixth Doctor
The Fifth Doctor
The Third Doctor
The Fifteenth Doctor
The Eighth Doctor
The Eleventh Doctor
The Fourth Doctor
The Thirteenth Doctor
The Twelfth DoctorNew Cards
Fresh cards from recent sets that players are experimenting with in K-9, Mark I decks.
Jill, Shiva's Dominant+18% Synergy
$0.66
Sleep Magic+12% Synergy
$0.08
Louisoix's Sacrifice+11% Synergy
$0.54
Hraesvelgr of the First Brood+11% Synergy
$0.37
Blitzball Stadium+11% Synergy
$0.18
High Synergy Cards
Cards that work exceptionally well with K-9, Mark I's abilities and overall game plan.
Ioreth of the Healing House+68% Synergy
$0.17
Rivendell+57% Synergy
$0.77
Callaphe, Beloved of the Sea+54% Synergy
$0.17
Grazilaxx, Illithid Scholar+48% Synergy
$1.24
The Reality Chip+47% Synergy
$2.78
Kira, Great Glass-Spinner+47% Synergy
$3.78
Iymrith, Desert Doom+47% Synergy
$1.03
Teferi, Mage of Zhalfir+46% Synergy
$1.52
Adric, Mathematical Genius+44% Synergy
$0.29
Blackblade Reforged+42% Synergy
$2.31
Top Cards
The most popular and reliable cards that form the backbone of successful K-9, Mark I decks.
Thassa, God of the Sea+41% Synergy
$1.84
Eluge, the Shoreless Sea+40% Synergy
$1.23
Bident of Thassa+36% Synergy
$0.39
Preordain+25% Synergy
$0.61
Brainstorm+19% Synergy
$1.51
Ponder+17% Synergy
$1.65
Pongify+10% Synergy
$2.10
Rapid Hybridization+10% Synergy
$1.15
Sapphire Medallion+3% Synergy
$3.79
Counterspell+1% Synergy
$1.65
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Urza, Lord High Artificer+25% Synergy
$11.76
Jin-Gitaxias, Core Augur+13% Synergy
$12.05
Fierce Guardianship+3% Synergy
$42.63
Cyclonic Rift-3% Synergy
$48.08
Thassa's Oracle-8% Synergy
$16.62
Mystical Tutor-13% Synergy
$11.92
Force of Will-13% Synergy
$57.48
Rhystic Study-14% Synergy
$48.94
Creatures
Essential creatures that complement K-9, Mark I's strategy through synergy, utility, or raw power.
Esior, Wardwing Familiar+34% Synergy
$0.52
Kairi, the Swirling Sky+33% Synergy
$0.53
Nezahal, Primal Tide+31% Synergy
$7.48
Atemsis, All-Seeing+28% Synergy
$0.29
Jin-Gitaxias+28% Synergy
$14.96
Sun Quan, Lord of Wu+28% Synergy
$5.42
Osgood, Operation Double+26% Synergy
$0.15
Gadwick, the Wizened+25% Synergy
$0.49
Unctus, Grand Metatect+23% Synergy
$0.29
Malcolm, Alluring Scoundrel+23% Synergy
$0.56
Baral, Chief of Compliance+22% Synergy
$1.62
Venser, Shaper Savant+20% Synergy
$0.87
Thryx, the Sudden Storm+20% Synergy
$0.22
Piper Wright, Publick Reporter+20% Synergy
$0.24
Jin-Gitaxias, Progress Tyrant+18% Synergy
$6.51
Hope of Ghirapur+17% Synergy
$1.17
Empress Galina+17% Synergy
$8.44
Curie, Emergent Intelligence+17% Synergy
$0.26
Kami of the Crescent Moon+16% Synergy
$5.17
The Peregrine Dynamo+16% Synergy
$1.45
Sakashima of a Thousand Faces+15% Synergy
$31.10
Jhoira's Familiar+15% Synergy
$1.26
Artificer's Assistant+15% Synergy
$0.17
Brass Squire+15% Synergy
$1.16
Lorthos, the Tidemaker+15% Synergy
$0.27
Lu Xun, Scholar General+15% Synergy
$0.42
Hermitic Nautilus+15% Synergy
$0.04
The Mindskinner+14% Synergy
$1.12
Volo, Itinerant Scholar+13% Synergy
$0.26
Alora, Merry Thief+13% Synergy
$0.08
Thought Monitor+12% Synergy
$0.25
Cosima, God of the Voyage+12% Synergy
$0.49
Arcanis the Omnipotent+11% Synergy
$0.25
The Capitoline Triad+11% Synergy
$2.51
Kiora, the Rising Tide+10% Synergy
$0.44
Tetsuko Umezawa, Fugitive+10% Synergy
$0.14
Ultimecia, Temporal Threat+10% Synergy
$1.02
Alrund, God of the Cosmos+10% Synergy
$0.36
Rayne, Academy Chancellor+10% Synergy
$1.72
Ascendant Spirit+10% Synergy
$0.18
Sai, Master Thopterist+9% Synergy
$0.48
Riddlesmith+9% Synergy
$0.19
Vnwxt, Verbose Host+9% Synergy
$0.28
Ulamog, the Ceaseless Hunger+9% Synergy
$17.36
Emry, Lurker of the Loch+7% Synergy
$0.59
Defiler of Dreams+3% Synergy
$0.30
Solemn Simulacrum+1% Synergy
$0.26
Talrand, Sky Summoner-1% Synergy
$0.28
Spark Double-3% Synergy
$6.73
Hullbreaker Horror-9% Synergy
$2.18
Instants
Key instant-speed responses for protection, removal, and keeping K-9, Mark I safe.
Desynchronization+24% Synergy
$4.00
Glorious Gale+23% Synergy
$0.09
Soothing of Sméagol+15% Synergy
$0.07
Consider+13% Synergy
$0.46
Stoic Rebuttal+13% Synergy
$0.23
Opt+12% Synergy
$0.14
Frantic Search+11% Synergy
$0.34
Archmage's Charm+11% Synergy
$1.26
Aetherize+10% Synergy
$0.29
Sublime Epiphany+7% Synergy
$0.29
Bewildering Blizzard+7% Synergy
$0.02
Phantom Interference+7% Synergy
$0.13
Eliminate the Impossible+7% Synergy
$0.04
Reality Shift+5% Synergy
$0.25
Wash Away+5% Synergy
$0.34
Bounce Off+5% Synergy
$0.07
Envelop+5% Synergy
$0.31
Force Spike+5% Synergy
$0.78
Repeal+5% Synergy
$0.09
Deduce+4% Synergy
$0.09
Fated Infatuation+4% Synergy
$0.41
Into the Flood Maw+3% Synergy
$4.66
An Offer You Can't Refuse+2% Synergy
$1.46
Spell Pierce+2% Synergy
$0.17
Stubborn Denial+2% Synergy
$3.64
Perplexing Test+2% Synergy
$0.26
Tale's End+2% Synergy
$1.52
Cackling Counterpart+2% Synergy
$0.15
Mystic Confluence+1% Synergy
$0.49
See Double+1% Synergy
$0.47
Twisted Image+1% Synergy
$0.29
Silundi Vision0% Synergy
$0.38
March of Swirling Mist-1% Synergy
$1.28
Dispel-2% Synergy
$0.29
Flusterstorm-2% Synergy
$7.00
Slip Out the Back-2% Synergy
$2.25
Disallow-2% Synergy
$1.90
Cryptic Command-3% Synergy
$7.15
Thought Scour-3% Synergy
$0.47
Force of Negation-5% Synergy
$49.42
Rewind-5% Synergy
$0.45
Whir of Invention-8% Synergy
$3.56
Muddle the Mixture-11% Synergy
$1.59
Arcane Denial-12% Synergy
$1.75
Flow of Knowledge-12% Synergy
$0.18
Mana Drain-14% Synergy
$42.96
Swan Song-15% Synergy
$6.09
Resculpt-15% Synergy
$0.29
High Tide-16% Synergy
$1.29
Negate-18% Synergy
$0.24
Sorceries
Important sorcery spells that advance K-9, Mark I's game plan and control the board.
Arwen's Gift+23% Synergy
$0.07
Lórien Revealed+22% Synergy
$1.68
Birthday Escape+22% Synergy
$0.09
Serum Visions+18% Synergy
$0.71
Will of the Temur+14% Synergy
$1.10
Karn's Temporal Sundering+13% Synergy
$1.50
Traverse Eternity+9% Synergy
$0.40
Introduction to Annihilation+8% Synergy
$0.10
Ravenform+5% Synergy
$0.18
Quasiduplicate+5% Synergy
$0.45
Horses of the Bruinen+5% Synergy
$0.04
Day's Undoing+4% Synergy
$0.96
Stolen Identity+3% Synergy
$0.47
Careful Study+3% Synergy
$3.30
Enter the Enigma+2% Synergy
$0.18
Quantum Misalignment+2% Synergy
$8.87
Devastation Tide+2% Synergy
$1.10
Flood of Tears+1% Synergy
$0.79
Time Stretch+1% Synergy
$2.99
Irenicus's Vile Duplication0% Synergy
$7.87
Finale of Revelation-1% Synergy
$0.25
Thoughtcast-4% Synergy
$1.66
Windfall-5% Synergy
$3.95
Spectral Deluge-6% Synergy
$2.92
Fabricate-12% Synergy
$7.90
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Champion's Helm+41% Synergy
$1.86
Helm of the Host+31% Synergy
$12.75
Mithril Coat+28% Synergy
$17.15
Heroes' Podium+28% Synergy
$0.26
Excalibur, Sword of Eden+24% Synergy
$14.36
Colossus Hammer+23% Synergy
$2.39
Mirror Box+21% Synergy
$4.22
Brotherhood Regalia+21% Synergy
$9.42
Mirror of Galadriel+18% Synergy
$0.09
Commander's Plate+17% Synergy
$35.07
The Key to the Vault+17% Synergy
$0.36
Dragonfire Blade+15% Synergy
$1.67
Hammer of Nazahn+14% Synergy
$17.44
Sword of the Animist+13% Synergy
$7.32
Loxodon Warhammer+12% Synergy
$1.06
Buster Sword+11% Synergy
$36.85
Thran Temporal Gateway+10% Synergy
$0.44
Confession Dial+10% Synergy
$0.16
Bloodforged Battle-Axe+10% Synergy
$0.77
Darksteel Plate+10% Synergy
$6.10
Hero's Blade+10% Synergy
$0.20
Crown of Gondor+10% Synergy
$0.22
Candlestick+10% Synergy
$0.07
Lavaspur Boots+9% Synergy
$1.32
Sword of Feast and Famine+9% Synergy
$33.77
Golem-Skin Gauntlets+8% Synergy
$0.22
Sword of the Chosen+8% Synergy
$0.19
Bilbo's Ring+8% Synergy
$10.79
Hero's Heirloom+8% Synergy
$0.18
The Animus+7% Synergy
$0.19
Mjölnir, Storm Hammer+6% Synergy
$1.90
Pip-Boy 3000+6% Synergy
$5.30
Wayfarer's Bauble+5% Synergy
$0.24
Ace's Baseball Bat+5% Synergy
$0.29
Bonesplitter+5% Synergy
$0.20
Traveler's Amulet+5% Synergy
$0.08
Helm of the Gods+5% Synergy
$2.53
Greataxe+5% Synergy
$0.09
Kefnet's Monument+4% Synergy
$0.38
The Indomitable+4% Synergy
$3.08
Quietus Spike+4% Synergy
$0.69
Robe of the Archmagi+4% Synergy
$0.24
Trailblazer's Boots+4% Synergy
$1.78
Kaldra Compleat+4% Synergy
$8.74
Weatherlight+4% Synergy
$1.34
Voltaic Key+3% Synergy
$2.42
Mirage Mirror+2% Synergy
$0.57
Swiftfoot Boots+1% Synergy
$1.30
Manifold Key+1% Synergy
$0.55
Lightning Greaves-5% Synergy
$4.45
Enchantments
Powerful enchantments that support K-9, Mark I's strategy and create lasting battlefield effects.
Combat Research+28% Synergy
$0.35
Aqueous Form+19% Synergy
$0.28
Leyline of Singularity+15% Synergy
$3.87
Ballad of the Black Flag+14% Synergy
$0.17
Thopter Spy Network+13% Synergy
$0.86
Marit Lage's Slumber+13% Synergy
$0.44
Imprisoned in the Moon+12% Synergy
$0.16
Storm of Saruman+11% Synergy
$2.02
Case of the Filched Falcon+10% Synergy
$0.08
Teferi's Ageless Insight+9% Synergy
$2.10
In Bolas's Clutches+8% Synergy
$0.08
Wizard Class+7% Synergy
$1.44
Ominous Seas+7% Synergy
$1.16
Stormchaser's Talent+7% Synergy
$4.88
Fortune Teller's Talent+7% Synergy
$0.58
Wingspan Stride+7% Synergy
$0.03
Curious Inquiry+6% Synergy
$0.06
Curiosity+5% Synergy
$0.53
Cloak of Mists+5% Synergy
$0.29
Curious Obsession+5% Synergy
$0.66
Betrayal+5% Synergy
$0.27
Thassa's Ire+5% Synergy
$0.09
Aether Tunnel+4% Synergy
$0.68
Crab Umbra+4% Synergy
$0.31
Scroll of Isildur+4% Synergy
$0.28
Feywild Visitor+4% Synergy
$0.11
Extravagant Replication+3% Synergy
$0.30
Telepathy+3% Synergy
$0.72
Omniscience+2% Synergy
$3.83
Witness Protection+2% Synergy
$0.17
Coastal Piracy+1% Synergy
$0.70
As Foretold+1% Synergy
$1.14
Proft's Eidetic Memory-1% Synergy
$5.79
Mystic Remora-2% Synergy
$8.34
Reconnaissance Mission-2% Synergy
$0.87
Leyline of Anticipation-5% Synergy
$1.77
Propaganda-7% Synergy
$2.01
Planeswalkers
Planeswalkers that work alongside K-9, Mark I to provide ongoing value and board presence.
Kaito, Cunning Infiltrator+17% Synergy
$1.12
Kasmina, Enigmatic Mentor+16% Synergy
$0.18
Teferi, Master of Time+13% Synergy
$7.05
Mordenkainen+7% Synergy
$1.09
Jace, the Mind Sculptor+5% Synergy
$18.29
Mu Yanling+5% Synergy
$2.47
Vronos, Masked Inquisitor+5% Synergy
$1.44
Teferi, Temporal Archmage+4% Synergy
$0.72
Jace, Mirror Mage+4% Synergy
$0.36
Jace, Cunning Castaway+4% Synergy
$0.96
Teferi, Temporal Pilgrim+2% Synergy
$3.55
Jace Beleren+2% Synergy
$1.67
Jace, Wielder of Mysteries-2% Synergy
$6.28
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Minamo, School at Water's Edge+31% Synergy
$51.06
Castle Vantress+22% Synergy
$0.25
Lonely Sandbar+22% Synergy
$0.23
Otawara, Soaring City+17% Synergy
$19.28
Seafarer's Quay+16% Synergy
$5.54
Dark Depths+12% Synergy
$2.21
Nykthos, Shrine to Nyx+10% Synergy
$34.54
Hall of Storm Giants+10% Synergy
$0.66
Great Hall of the Citadel+10% Synergy
$0.19
Seat of the Synod+9% Synergy
$0.58
Tyrite Sanctum+9% Synergy
$2.02
Vesuva+9% Synergy
$4.02
The Surgical Bay+8% Synergy
$0.09
Labyrinth of Skophos+7% Synergy
$0.25
Buried Ruin+6% Synergy
$0.46
Zhalfirin Void+6% Synergy
$0.50
Thespian's Stage+6% Synergy
$0.64
Untaidake, the Cloud Keeper+5% Synergy
$4.58
Mystifying Maze+5% Synergy
$0.68
Deserted Temple+5% Synergy
$0.69
Dungeon Descent+5% Synergy
$0.16
War Room+4% Synergy
$2.73
Mistrise Village+4% Synergy
$5.43
Sunken Palace+3% Synergy
$0.49
Rogue's Passage+1% Synergy
$0.27
Mystic Sanctuary-2% Synergy
$1.41
Academy Ruins-2% Synergy
$7.74
Halimar Depths-3% Synergy
$0.34
Darksteel Citadel-6% Synergy
$0.86
Inventors' Fair-8% Synergy
$9.47
Reliquary Tower-9% Synergy
$1.98
Urza's Saga-9% Synergy
$38.71
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Relic of Legends+43% Synergy
$1.36
Patriar's Seal+40% Synergy
$1.79
Midnight Clock+21% Synergy
$0.29
Crystal Skull, Isu Spyglass+21% Synergy
$1.81
Commander's Sphere+15% Synergy
$0.16
Mox Amber+12% Synergy
$67.47
The Irencrag+12% Synergy
$0.38
Star Compass+6% Synergy
$0.56
Eye of Ramos+5% Synergy
$1.79
Lapis Orb of Dragonkind+5% Synergy
$0.12
Sonic Screwdriver+4% Synergy
$0.56
Skyclave Relic+4% Synergy
$1.66
Nyx Lotus+3% Synergy
$4.82
Springleaf Drum+2% Synergy
$0.68
Sky Diamond+1% Synergy
$0.14
Throne of Eldraine+1% Synergy
$17.16
Misleading Signpost+1% Synergy
$9.58
Mana Crypt-1% Synergy
$55.47
Hedron Archive-1% Synergy
$0.25
Thran Dynamo-3% Synergy
$2.44
Everflowing Chalice-6% Synergy
$0.19
Decanter of Endless Water-7% Synergy
$2.10
Sol Ring-10% Synergy
$1.07
Mind Stone-15% Synergy
$0.22
Arcane Signet-18% Synergy
$0.51
Thought Vessel-23% Synergy
$1.33
Lands
The mana base foundation for K-9, Mark I decks, ensuring smooth and reliable mana development.
Plaza of Heroes+23% Synergy
$6.72
The Grey Havens+12% Synergy
$0.12
Snow-Covered Island+8% Synergy
$0.83
The Mycosynth Gardens+7% Synergy
$0.70
Abstergo Entertainment+7% Synergy
$1.39
Opal Palace+5% Synergy
$0.18
Terramorphic Expanse+2% Synergy
$0.28
Evolving Wilds+1% Synergy
$0.23
Demolition Field0% Synergy
$0.50
Silundi Vision0% Synergy
$0.38
Glasspool Mimic-1% Synergy
$3.91
Myriad Landscape-6% Synergy
$0.11
Island-9% Synergy
$0.05
Similar Commanders
The following Commanders share a similar playing style, strategy, or theme like K-9, Mark I.
Brinelin, the Moon Kraken // Yoshimaru, Ever Faithful
Ludevic, Necro-Alchemist // Yoshimaru, Ever Faithful
The Fourth Doctor // Tegan Jovanka
Shaun & Rebecca, Agents
Shaun, Father of Synths
The Thirteenth Doctor // Ian Chesterton
The Fourteenth Doctor // Martha Jones
Niv-Mizzet, Guildpact
The Eleventh Doctor // K-9, Mark I
The Fourteenth Doctor
The Twelfth Doctor // Jamie McCrimmon
Aragorn, the Uniter
The Fourteenth Doctor // Rose Noble
Éowyn, Fearless Knight
Hajar, Loyal Bodyguard
Sarevok, Deathbringer // Inspiring Leader
Shanid, Sleepers' Scourge
Frodo Baggins
Cadric, Soul Kindler
Bruse Tarl, Boorish Herder // Yoshimaru, Ever Faithful
Kamahl, Heart of Krosa // Yoshimaru, Ever Faithful
Arvad the Cursed
Bayek of Siwa
Djeru and Hazoret
Jodah, the Unifier
Senu, Keen-Eyed Protector
Ratadrabik of Urborg
Legolas Greenleaf
The Fourteenth Doctor // Donna Noble
Alena, Kessig Trapper // Yoshimaru, Ever Faithful
The Fourteenth Doctor // Clara Oswald
Colonel Autumn
Havi, the All-Father
Tana, the Bloodsower // Yoshimaru, Ever Faithful
The Sixth Doctor // Peri Brown
Peter Parker
Jedit Ojanen, Mercenary
The Sixth Doctor // Jamie McCrimmon
Dihada, Binder of Wills
Ravos, Soultender // Yoshimaru, Ever Faithful