K-9, Mark I
$3.74
$3.74Legendary 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
#3988
Current Rank
#3643
Past 2 Years
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 Ninth Doctor
The Twelfth Doctor
The Second Doctor
The Seventh Doctor
The Third Doctor
The Eleventh Doctor
The Eighth Doctor
The Fifteenth Doctor
The Fifth Doctor
The First Doctor
The Fourth Doctor
The Fugitive Doctor
The Sixth Doctor
The Tenth Doctor
The Thirteenth DoctorNew Cards
Fresh cards from recent sets that players are experimenting with in K-9, Mark I decks.
Divergent Equation+24% Synergy
$0.21
Wisdom of Ages+22% Synergy
$0.38
Emeritus of Ideation+21% Synergy
$8.57
High Synergy Cards
Cards that work exceptionally well with K-9, Mark I's abilities and overall game plan.
Ioreth of the Healing House+66% Synergy
$0.38
Rivendell+55% Synergy
$1.72
Iymrith, Desert Doom+54% Synergy
$1.69
Callaphe, Beloved of the Sea+42% Synergy
$0.24
Thassa, God of the Sea+40% Synergy
$3.60
Grazilaxx, Illithid Scholar+39% Synergy
$2.10
Combat Research+39% Synergy
$0.58
Nezahal, Primal Tide+38% Synergy
$9.22
Arwen's Gift+37% Synergy
$0.17
The Reality Chip+36% Synergy
$3.89
Top Cards
The most popular and reliable cards that form the backbone of successful K-9, Mark I decks.
Bident of Thassa+34% Synergy
$0.38
Aetherize+26% Synergy
$0.39
Ponder+14% Synergy
$1.65
Brainstorm+13% Synergy
$1.39
Pongify+12% Synergy
$1.72
An Offer You Can't Refuse+10% Synergy
$2.07
Rapid Hybridization+9% Synergy
$0.50
High Tide+2% Synergy
$1.52
Sapphire Medallion+1% Synergy
$6.67
Counterspell-9% Synergy
$3.68
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Cyclonic Rift-2% Synergy
$41.55
Chrome Mox-2% Synergy
$167.83
Fierce Guardianship-3% Synergy
$58.40
Ancient Tomb-3% Synergy
$129.20
Mystical Tutor-4% Synergy
$18.15
Thassa's Oracle-6% Synergy
$22.54
The One Ring-6% Synergy
$104.71
Rhystic Study-19% Synergy
$66.59
Creatures
Essential creatures that complement K-9, Mark I's strategy through synergy, utility, or raw power.
Teferi, Mage of Zhalfir+36% Synergy
$2.11
Kira, Great Glass-Spinner+32% Synergy
$5.46
Eluge, the Shoreless Sea+30% Synergy
$4.18
Sun Quan, Lord of Wu+30% Synergy
$8.43
Atemsis, All-Seeing+28% Synergy
$0.34
Malcolm, Alluring Scoundrel+28% Synergy
$4.43
The Blue Spirit+27% Synergy
$1.17
Unctus, Grand Metatect+25% Synergy
$0.41
Kairi, the Swirling Sky+25% Synergy
$1.04
Adric, Mathematical Genius+25% Synergy
$0.38
Esior, Wardwing Familiar+21% Synergy
$0.68
Piper Wright, Publick Reporter+21% Synergy
$0.37
Venser, Shaper Savant+20% Synergy
$1.09
Sakashima the Impostor+19% Synergy
$18.47
Gadwick, the Wizened+19% Synergy
$0.75
Baral, Chief of Compliance+17% Synergy
$2.64
Jin-Gitaxias, Progress Tyrant+17% Synergy
$10.34
Kiora, the Rising Tide+17% Synergy
$0.46
The Peregrine Dynamo+17% Synergy
$2.74
Thryx, the Sudden Storm+16% Synergy
$0.18
Empress Galina+16% Synergy
$13.36
Ultimecia, Temporal Threat+16% Synergy
$0.46
Curie, Emergent Intelligence+15% Synergy
$0.33
Lu Xun, Scholar General+15% Synergy
$0.36
Jin-Gitaxias+14% Synergy
$11.01
The Mechanist, Aerial Artisan+14% Synergy
$0.26
Artificer's Assistant+12% Synergy
$0.26
Jill, Shiva's Dominant+12% Synergy
$0.36
Lorthos, the Tidemaker+12% Synergy
$0.32
Arcanis the Omnipotent+11% Synergy
$0.25
Sakashima of a Thousand Faces+11% Synergy
$33.18
The Mindskinner+11% Synergy
$3.23
Vnwxt, Verbose Host+11% Synergy
$0.45
Forecasting Fortune Teller+11% Synergy
$0.10
Volo, Itinerant Scholar+11% Synergy
$0.42
Jhoira's Familiar+10% Synergy
$2.15
Jin-Gitaxias, Core Augur+10% Synergy
$12.26
Ulamog, the Ceaseless Hunger+10% Synergy
$24.04
Osgood, Operation Double+10% Synergy
$0.33
Cosima, God of the Voyage+10% Synergy
$0.97
Solemn Simulacrum+9% Synergy
$0.31
Mockingbird+9% Synergy
$4.69
Hope of Ghirapur+9% Synergy
$2.20
Tetsuko Umezawa, Fugitive+8% Synergy
$0.14
Urza, Lord High Artificer+5% Synergy
$14.38
Wan Shi Tong, Librarian+4% Synergy
$37.52
Alandra, Sky Dreamer+4% Synergy
$5.69
Talrand, Sky Summoner+2% Synergy
$0.86
Phyrexian Metamorph-6% Synergy
$2.22
Laboratory Maniac-9% Synergy
$1.63
Instants
Key instant-speed responses for protection, removal, and keeping K-9, Mark I safe.
Desynchronization+26% Synergy
$4.69
Louisoix's Sacrifice+17% Synergy
$0.31
Glorious Gale+15% Synergy
$0.24
Archmage's Charm+13% Synergy
$1.44
Reality Shift+11% Synergy
$0.25
Bounce Off+10% Synergy
$0.24
Lost Days+10% Synergy
$0.09
Soothing of Sméagol+10% Synergy
$0.19
Consider+9% Synergy
$0.31
Spell Pierce+9% Synergy
$0.24
Wash Away+9% Synergy
$0.52
Deduce+9% Synergy
$0.29
Frantic Search+8% Synergy
$1.05
Magic Damper+8% Synergy
$0.24
Dreadful as the Storm+8% Synergy
$0.12
Twiddle+7% Synergy
$0.57
Stoic Rebuttal+6% Synergy
$0.29
Tale's End+6% Synergy
$2.19
Phantom Interference+6% Synergy
$0.18
Envelop+6% Synergy
$3.64
Secrets of the Key+6% Synergy
$0.16
Confirm Suspicions+6% Synergy
$0.31
Vault Skyward+6% Synergy
$0.11
Theoretical Duplication+6% Synergy
$0.61
Opt+5% Synergy
$0.27
Twisted Image+5% Synergy
$0.35
Mystic Confluence+4% Synergy
$0.99
Sublime Epiphany+4% Synergy
$0.30
Disallow+4% Synergy
$1.74
Cerulean Wisps+3% Synergy
$1.24
Dispel+2% Synergy
$0.32
Disdainful Stroke+2% Synergy
$0.18
Unsummon+2% Synergy
$0.06
Cryptic Command+1% Synergy
$5.99
Slip Out the Back+1% Synergy
$4.11
Evacuation+1% Synergy
$0.34
Shore Up+1% Synergy
$0.22
Silundi Vision+1% Synergy
$0.39
Into the Flood Maw0% Synergy
$2.39
Negate-1% Synergy
$0.23
March of Swirling Mist-1% Synergy
$5.56
Flusterstorm-3% Synergy
$8.65
Arcane Denial-4% Synergy
$2.02
Muddle the Mixture-4% Synergy
$2.17
Rewind-4% Synergy
$0.43
Mana Drain-7% Synergy
$55.81
Force of Negation-9% Synergy
$50.22
Swan Song-12% Synergy
$8.00
Sorceries
Important sorcery spells that advance K-9, Mark I's game plan and control the board.
Birthday Escape+19% Synergy
$0.23
Preordain+18% Synergy
$0.52
Serum Visions+15% Synergy
$1.31
Karn's Temporal Sundering+15% Synergy
$1.62
Lórien Revealed+13% Synergy
$3.52
Will of the Temur+11% Synergy
$0.65
Void Snare+8% Synergy
$0.32
Ravenform+7% Synergy
$0.29
Time Stretch+7% Synergy
$4.48
Hard Evidence+7% Synergy
$0.19
Quasiduplicate+6% Synergy
$0.70
Horses of the Bruinen+6% Synergy
$0.17
Press for Answers+6% Synergy
$0.06
Irenicus's Vile Duplication+5% Synergy
$11.17
Enter the Enigma+5% Synergy
$0.32
Quantum Misalignment+5% Synergy
$17.41
Careful Study+5% Synergy
$4.09
Traverse Eternity+5% Synergy
$0.39
Devastation Tide+4% Synergy
$0.52
Ember Island Production+4% Synergy
$0.33
Enter the Infinite+2% Synergy
$7.43
Curse of the Swine-4% Synergy
$0.27
Windfall-5% Synergy
$4.86
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Heroes' Podium+35% Synergy
$0.47
Champion's Helm+33% Synergy
$2.53
Blackblade Reforged+28% Synergy
$3.53
Excalibur, Sword of Eden+27% Synergy
$12.08
Helm of the Host+18% Synergy
$11.25
Mithril Coat+17% Synergy
$26.43
Mirror of Galadriel+17% Synergy
$0.28
The Key to the Vault+16% Synergy
$0.39
Mirror Box+15% Synergy
$5.18
Brotherhood Regalia+14% Synergy
$7.97
Kefnet's Monument+13% Synergy
$0.42
Swiftfoot Boots+11% Synergy
$1.95
Crown of Gondor+11% Synergy
$0.38
Colossus Hammer+10% Synergy
$1.61
Commander's Plate+9% Synergy
$44.72
Confession Dial+9% Synergy
$0.27
Quietus Spike+8% Synergy
$2.36
Candlestick+8% Synergy
$0.17
Thran Temporal Gateway+8% Synergy
$0.49
Magnifying Glass+8% Synergy
$0.16
Weatherlight+8% Synergy
$2.14
Wayfarer's Bauble+7% Synergy
$0.30
Sword of Feast and Famine+7% Synergy
$39.52
The Indomitable+6% Synergy
$0.85
Sword of the Chosen+6% Synergy
$0.27
Bessie, the Doctor's Roadster+6% Synergy
$0.32
Bloodforged Battle-Axe+6% Synergy
$2.42
Hero's Blade+6% Synergy
$0.27
Dragonfire Blade+6% Synergy
$1.17
Fire Nation Warship+6% Synergy
$0.16
Voltaic Key+5% Synergy
$3.91
Tamiyo's Journal+5% Synergy
$3.10
Lavaspur Boots+5% Synergy
$0.91
Mjölnir, Storm Hammer+5% Synergy
$1.37
Manifold Key+4% Synergy
$1.56
Waterbending Scroll+3% Synergy
$0.31
Sword of the Animist+1% Synergy
$5.77
Lightning Greaves-7% Synergy
$4.39
Enchantments
Powerful enchantments that support K-9, Mark I's strategy and create lasting battlefield effects.
Aqueous Form+25% Synergy
$0.39
Imprisoned in the Moon+18% Synergy
$0.24
Retro-Mutation+16% Synergy
$0.12
Teferi's Ageless Insight+15% Synergy
$5.32
Wizard Class+13% Synergy
$1.90
Leyline of Singularity+13% Synergy
$4.45
Witness Protection+10% Synergy
$0.25
Curious Inquiry+10% Synergy
$0.23
Sleep Magic+10% Synergy
$0.20
Storm of Saruman+9% Synergy
$3.47
Ominous Seas+8% Synergy
$1.40
Curiosity+8% Synergy
$1.21
Case of the Filched Falcon+8% Synergy
$0.10
Scroll of Isildur+8% Synergy
$0.47
Ballad of the Black Flag+8% Synergy
$0.30
Telepathy+7% Synergy
$1.13
Stormchaser's Talent+6% Synergy
$6.91
Hold for Questioning+6% Synergy
$0.14
Curious Obsession+6% Synergy
$0.35
Betrayal+6% Synergy
$0.30
Marit Lage's Slumber+6% Synergy
$0.66
Thassa's Ire+6% Synergy
$0.09
Trail of Evidence+6% Synergy
$0.35
Aether Tunnel+5% Synergy
$1.05
Copy Enchantment+5% Synergy
$1.96
Crab Umbra+5% Synergy
$0.40
Honest Work+5% Synergy
$0.25
Omniscience+4% Synergy
$6.42
Waterbender Ascension+3% Synergy
$0.67
Reconnaissance Mission+2% Synergy
$1.49
Coastal Piracy+2% Synergy
$0.33
Propaganda-1% Synergy
$3.04
Thopter Spy Network-1% Synergy
$0.82
Mystic Remora-5% Synergy
$11.88
Planeswalkers
Planeswalkers that work alongside K-9, Mark I to provide ongoing value and board presence.
Kaito, Cunning Infiltrator+13% Synergy
$2.11
Kasmina, Enigmatic Mentor+9% Synergy
$0.34
Mordenkainen+6% Synergy
$1.02
Teferi, Master of Time+4% Synergy
$10.32
Jace, the Mind Sculptor+4% Synergy
$17.99
Teferi, Temporal Pilgrim+3% Synergy
$5.08
Jace, Wielder of Mysteries-8% Synergy
$9.05
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Minamo, School at Water's Edge+22% Synergy
$62.97
Castle Vantress+21% Synergy
$0.30
Lonely Sandbar+14% Synergy
$0.29
Seafarer's Quay+13% Synergy
$9.18
Dark Depths+12% Synergy
$2.37
Great Hall of the Citadel+11% Synergy
$0.35
Nykthos, Shrine to Nyx+10% Synergy
$50.07
Otawara, Soaring City+9% Synergy
$30.75
Hall of Storm Giants+9% Synergy
$0.53
War Room+8% Synergy
$2.44
Tyrite Sanctum+7% Synergy
$2.87
Thespian's Stage+6% Synergy
$0.56
Labyrinth of Skophos+6% Synergy
$0.31
The Surgical Bay+5% Synergy
$0.22
Agna Qel'a+3% Synergy
$1.32
Rogue's Passage0% Synergy
$0.40
Academy Ruins-1% Synergy
$9.68
Mystic Sanctuary-2% Synergy
$0.87
Halimar Depths-3% Synergy
$0.36
Temple of the False God-3% Synergy
$0.33
Mistrise Village-3% Synergy
$9.55
Seat of the Synod-4% Synergy
$0.67
Urza's Saga-4% Synergy
$40.55
Buried Ruin-6% Synergy
$0.38
Reliquary Tower-9% Synergy
$2.93
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Relic of Legends+42% Synergy
$1.36
Patriar's Seal+35% Synergy
$5.36
Crystal Skull, Isu Spyglass+28% Synergy
$1.42
Midnight Clock+15% Synergy
$0.63
Throne of Eldraine+11% Synergy
$35.66
Mox Amber+10% Synergy
$74.65
The Irencrag+10% Synergy
$1.08
Commander's Sphere+8% Synergy
$0.33
Nyx Lotus+7% Synergy
$5.82
Five Hundred Year Diary+6% Synergy
$0.34
Springleaf Drum+3% Synergy
$0.32
Caged Sun+2% Synergy
$3.59
Thran Dynamo0% Synergy
$4.55
Sky Diamond-1% Synergy
$0.29
Decanter of Endless Water-1% Synergy
$4.08
Mox Opal-3% Synergy
$238.50
Everflowing Chalice-9% Synergy
$0.36
Sol Ring-11% Synergy
$0.98
Mind Stone-11% Synergy
$0.31
Fellwar Stone-13% Synergy
$2.20
Arcane Signet-17% Synergy
$0.36
Thought Vessel-17% Synergy
$2.48
Lands
The mana base foundation for K-9, Mark I decks, ensuring smooth and reliable mana development.
Plaza of Heroes+17% Synergy
$8.97
The Grey Havens+15% Synergy
$0.34
Snow-Covered Island+1% Synergy
$1.14
Silundi Vision+1% Synergy
$0.39
Myriad Landscape-1% Synergy
$0.34
Island-5% Synergy
$0.07
Similar Commanders
The following Commanders share a similar playing style, strategy, or theme like K-9, Mark I.
Ludevic, Necro-Alchemist // Yoshimaru, Ever Faithful
The Fourth Doctor // Tegan Jovanka
Brinelin, the Moon Kraken // Yoshimaru, Ever Faithful
The Thirteenth Doctor // Ian Chesterton
Shaun & Rebecca, Agents
The Fourteenth Doctor // Martha Jones
Shaun, Father of Synths
The Eleventh Doctor // K-9, Mark I
Jedit Ojanen, Mercenary
The Sixth Doctor // Peri Brown
The Fourteenth Doctor
The Sixth Doctor // Jamie McCrimmon
The Twelfth Doctor // Jamie McCrimmon
The Second Doctor // Jamie McCrimmon
The Fourteenth Doctor // Donna Noble
The Fourteenth Doctor // Rose Noble
Bayek of Siwa
Niambi, Esteemed Speaker
Kolvori, God of Kinship
Shanid, Sleepers' Scourge
The Sixth Doctor // Susan Foreman
The Fourteenth Doctor // Amy Pond
The Fourteenth Doctor // Jamie McCrimmon
The Eighth Doctor // Graham O'Brien
The Sixth Doctor // Yasmin Khan
Kamahl, Heart of Krosa // Yoshimaru, Ever Faithful
The Fourteenth Doctor // Clara Oswald
The Fourteenth Doctor // Sarah Jane Smith
The Sixth Doctor // Bill Potts
The Sixth Doctor // Clara Oswald
Bruse Tarl, Boorish Herder // Yoshimaru, Ever Faithful
The Fourth Doctor // Peri Brown
The Tenth Doctor // Ace, Fearless Rebel
Hajar, Loyal Bodyguard
Niv-Mizzet, Guildpact
The Sixth Doctor
Nashi, Moon's Legacy
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
Senu, Keen-Eyed Protector
The Eighth Doctor // Vislor Turlough