K-9, Mark I
$0.78
$0.78Legendary 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
#3215
Current Rank
#3283
Last Week
#3469
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 Ninth Doctor
The Fugitive Doctor
The Fifteenth Doctor
The Tenth Doctor
The Seventh Doctor
The Second Doctor
The Third Doctor
The Eighth Doctor
The Eleventh Doctor
The Fifth Doctor
The First Doctor
The Fourth Doctor
The Sixth Doctor
The Thirteenth Doctor
The Twelfth DoctorNew Cards
Fresh cards from recent sets that players are experimenting with in K-9, Mark I decks.
Lost Days+66% Synergy
$0.06
Forecasting Fortune Teller+66% Synergy
$0.04
The Mechanist, Aerial Artisan+64% Synergy
$0.26
Knowledge Seeker+32% Synergy
$0.07
Agna Qel'a+26% Synergy
$0.53
High Synergy Cards
Cards that work exceptionally well with K-9, Mark I's abilities and overall game plan.
Ioreth of the Healing House+69% Synergy
$0.15
Rivendell+56% Synergy
$1.51
Iymrith, Desert Doom+53% Synergy
$0.76
Callaphe, Beloved of the Sea+45% Synergy
$0.16
Champion's Helm+42% Synergy
$1.83
Grazilaxx, Illithid Scholar+42% Synergy
$0.90
The Reality Chip+41% Synergy
$3.11
Teferi, Mage of Zhalfir+40% Synergy
$2.40
Thassa, God of the Sea+40% Synergy
$1.78
Combat Research+39% Synergy
$0.34
Top Cards
The most popular and reliable cards that form the backbone of successful K-9, Mark I decks.
Nezahal, Primal Tide+38% Synergy
$7.71
Eluge, the Shoreless Sea+35% Synergy
$2.81
Aetherize+23% Synergy
$0.36
Brainstorm+18% Synergy
$1.13
Ponder+16% Synergy
$1.29
Sapphire Medallion+7% Synergy
$4.52
Rapid Hybridization+7% Synergy
$0.68
Pongify+6% Synergy
$1.53
High Tide-1% Synergy
$0.89
Counterspell-5% Synergy
$1.15
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Fierce Guardianship-3% Synergy
$40.43
Cyclonic Rift-4% Synergy
$37.99
Ancient Tomb-4% Synergy
$89.88
Thassa's Oracle-8% Synergy
$17.64
Mystical Tutor-11% Synergy
$13.37
Rhystic Study-18% Synergy
$49.78
Creatures
Essential creatures that complement K-9, Mark I's strategy through synergy, utility, or raw power.
Kira, Great Glass-Spinner+38% Synergy
$5.21
Adric, Mathematical Genius+33% Synergy
$0.23
Kairi, the Swirling Sky+33% Synergy
$0.59
Atemsis, All-Seeing+28% Synergy
$0.24
Sun Quan, Lord of Wu+28% Synergy
$5.45
Malcolm, Alluring Scoundrel+26% Synergy
$1.60
Esior, Wardwing Familiar+25% Synergy
$0.58
Venser, Shaper Savant+22% Synergy
$1.06
Piper Wright, Publick Reporter+22% Synergy
$0.16
Jin-Gitaxias+20% Synergy
$7.27
Empress Galina+20% Synergy
$9.99
Gadwick, the Wizened+19% Synergy
$0.49
Thryx, the Sudden Storm+19% Synergy
$0.16
The Peregrine Dynamo+18% Synergy
$2.83
Baral, Chief of Compliance+17% Synergy
$2.23
Jin-Gitaxias, Progress Tyrant+17% Synergy
$8.00
Unctus, Grand Metatect+17% Synergy
$0.32
Sakashima the Impostor+17% Synergy
$8.93
Osgood, Operation Double+17% Synergy
$0.08
Jhoira's Familiar+15% Synergy
$1.39
Lu Xun, Scholar General+15% Synergy
$0.48
Sakashima of a Thousand Faces+14% Synergy
$30.28
Kiora, the Rising Tide+14% Synergy
$0.43
The Mindskinner+14% Synergy
$1.38
Hope of Ghirapur+14% Synergy
$2.31
Jin-Gitaxias, Core Augur+13% Synergy
$11.33
Curie, Emergent Intelligence+13% Synergy
$0.17
Volo, Itinerant Scholar+13% Synergy
$0.34
Artificer's Assistant+12% Synergy
$0.15
Cosima, God of the Voyage+12% Synergy
$0.57
Lorthos, the Tidemaker+12% Synergy
$0.28
Spider-Man 2099, Miguel O'Hara+12% Synergy
$9.29
Arcanis the Omnipotent+11% Synergy
$0.26
Ultimecia, Temporal Threat+11% Synergy
$0.56
Urza, Lord High Artificer+10% Synergy
$13.19
Tetsuko Umezawa, Fugitive+10% Synergy
$0.10
Jill, Shiva's Dominant+10% Synergy
$0.40
Braids, Conjurer Adept+10% Synergy
$0.36
Rayne, Academy Chancellor+10% Synergy
$1.15
Floodhound+10% Synergy
$0.04
Drillworks Mole+10% Synergy
$0.07
Alora, Merry Thief+10% Synergy
$0.05
Mockingbird+9% Synergy
$3.62
Ulamog, the Ceaseless Hunger+9% Synergy
$15.67
Tromokratis+9% Synergy
$0.11
Kami of the Crescent Moon+8% Synergy
$7.91
Solemn Simulacrum+6% Synergy
$0.20
Forensic Gadgeteer+1% Synergy
$2.15
Talrand, Sky Summoner-1% Synergy
$0.59
Phyrexian Metamorph-8% Synergy
$1.84
Instants
Key instant-speed responses for protection, removal, and keeping K-9, Mark I safe.
Desynchronization+30% Synergy
$5.09
Glorious Gale+20% Synergy
$0.08
Louisoix's Sacrifice+18% Synergy
$0.28
Bounce Off+16% Synergy
$0.10
Archmage's Charm+12% Synergy
$1.34
Soothing of Sméagol+12% Synergy
$0.08
Consider+11% Synergy
$0.30
Wash Away+11% Synergy
$0.50
Deduce+11% Synergy
$0.08
Magic Damper+10% Synergy
$0.08
Dreadful as the Storm+10% Synergy
$0.06
Frantic Search+9% Synergy
$0.39
Sublime Epiphany+9% Synergy
$0.22
Reality Shift+8% Synergy
$0.24
Opt+8% Synergy
$0.10
Stoic Rebuttal+8% Synergy
$0.25
Phantom Interference+8% Synergy
$0.06
Envelop+8% Synergy
$0.85
Vault Skyward+8% Synergy
$0.09
Spell Pierce+7% Synergy
$0.17
Twisted Image+7% Synergy
$0.27
Twiddle+7% Synergy
$0.55
Tale's End+7% Synergy
$2.38
Secrets of the Key+7% Synergy
$0.07
Confirm Suspicions+7% Synergy
$0.09
Mystic Confluence+6% Synergy
$0.62
Disallow+6% Synergy
$3.49
An Offer You Can't Refuse+5% Synergy
$2.29
Silundi Vision+5% Synergy
$0.28
Cackling Counterpart+5% Synergy
$0.14
Eliminate the Impossible+5% Synergy
$0.04
Force Spike+5% Synergy
$0.77
Shore Up+3% Synergy
$0.07
Arcane Denial+2% Synergy
$1.55
Perplexing Test+2% Synergy
$0.30
Cerulean Wisps+2% Synergy
$1.43
Dispel+1% Synergy
$0.35
See Double+1% Synergy
$0.46
Slip Out the Back0% Synergy
$2.34
March of Swirling Mist0% Synergy
$1.31
Into the Flood Maw0% Synergy
$4.58
Cryptic Command-1% Synergy
$5.69
Rewind-2% Synergy
$0.42
Flusterstorm-4% Synergy
$8.83
Muddle the Mixture-6% Synergy
$1.77
Negate-7% Synergy
$0.24
Mana Drain-9% Synergy
$45.37
Force of Negation-10% Synergy
$48.35
Flow of Knowledge-11% Synergy
$0.20
Swan Song-13% Synergy
$7.39
Sorceries
Important sorcery spells that advance K-9, Mark I's game plan and control the board.
Arwen's Gift+33% Synergy
$0.08
Birthday Escape+22% Synergy
$0.10
Will of the Temur+19% Synergy
$0.29
Preordain+17% Synergy
$0.46
Karn's Temporal Sundering+15% Synergy
$1.11
Lórien Revealed+14% Synergy
$2.81
Serum Visions+13% Synergy
$1.55
Quasiduplicate+10% Synergy
$0.46
Void Snare+10% Synergy
$0.11
Ravenform+8% Synergy
$0.16
Hard Evidence+8% Synergy
$0.05
Press for Answers+8% Synergy
$0.03
Enter the Enigma+7% Synergy
$0.17
Quantum Misalignment+7% Synergy
$10.83
Horses of the Bruinen+7% Synergy
$0.05
Time Stretch+6% Synergy
$3.42
Traverse Eternity+6% Synergy
$0.32
Careful Study+6% Synergy
$1.84
Irenicus's Vile Duplication+5% Synergy
$7.98
Devastation Tide+5% Synergy
$0.60
Introduction to Annihilation+5% Synergy
$0.14
Stolen Identity+3% Synergy
$0.45
Flood of Tears+2% Synergy
$0.82
Enter the Infinite0% Synergy
$4.69
Finale of Revelation-2% Synergy
$0.25
Treasure Cruise-6% Synergy
$0.19
Spectral Deluge-6% Synergy
$2.45
Windfall-7% Synergy
$3.75
Fabricate-14% Synergy
$8.90
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Blackblade Reforged+34% Synergy
$2.33
Fire Nation Warship+33% Synergy
$0.03
Excalibur, Sword of Eden+31% Synergy
$12.68
Heroes' Podium+31% Synergy
$0.43
Bident of Thassa+28% Synergy
$0.33
Helm of the Host+25% Synergy
$8.44
Mithril Coat+20% Synergy
$19.47
Mirror Box+20% Synergy
$3.19
Brotherhood Regalia+16% Synergy
$9.42
Mirror of Galadriel+15% Synergy
$0.10
Colossus Hammer+14% Synergy
$1.55
Swiftfoot Boots+13% Synergy
$1.38
The Key to the Vault+13% Synergy
$0.35
Candlestick+11% Synergy
$0.08
Sword of the Animist+10% Synergy
$5.39
Thran Temporal Gateway+10% Synergy
$0.43
Crown of Gondor+10% Synergy
$0.21
Confession Dial+10% Synergy
$0.10
Dragonfire Blade+10% Synergy
$0.86
Commander's Plate+9% Synergy
$38.64
Bloodforged Battle-Axe+9% Synergy
$1.14
Wayfarer's Bauble+7% Synergy
$0.18
Lavaspur Boots+7% Synergy
$0.77
The Blackstaff of Waterdeep+7% Synergy
$0.14
Quietus Spike+7% Synergy
$3.47
Golem-Skin Gauntlets+7% Synergy
$0.22
Hero's Blade+7% Synergy
$0.13
Magnifying Glass+7% Synergy
$0.03
Kefnet's Monument+6% Synergy
$0.35
Tamiyo's Journal+6% Synergy
$2.05
Sword of Feast and Famine+6% Synergy
$37.91
Blitzball Stadium+6% Synergy
$0.10
The Animus+6% Synergy
$0.17
Mjölnir, Storm Hammer+5% Synergy
$2.24
Buster Sword+5% Synergy
$33.73
Pip-Boy 3000+5% Synergy
$2.89
Ace's Baseball Bat+5% Synergy
$0.19
Helm of the Gods+5% Synergy
$3.00
Greataxe+5% Synergy
$0.07
Bilbo's Ring+5% Synergy
$12.10
Hero's Heirloom+5% Synergy
$0.17
Sword of the Chosen+5% Synergy
$0.16
Bonesplitter+5% Synergy
$0.22
Hammer of Nazahn+4% Synergy
$13.63
The Indomitable+3% Synergy
$0.56
Whispersilk Cloak+3% Synergy
$2.05
Voltaic Key+2% Synergy
$2.34
Cloud Key+1% Synergy
$1.36
Manifold Key+1% Synergy
$1.25
Lightning Greaves-3% Synergy
$3.86
Enchantments
Powerful enchantments that support K-9, Mark I's strategy and create lasting battlefield effects.
Aqueous Form+20% Synergy
$0.37
Sleep Magic+19% Synergy
$0.11
Teferi's Ageless Insight+14% Synergy
$3.13
Case of the Filched Falcon+13% Synergy
$0.08
Leyline of Singularity+12% Synergy
$4.65
Wizard Class+11% Synergy
$1.10
Imprisoned in the Moon+11% Synergy
$0.16
Storm of Saruman+11% Synergy
$2.24
Ballad of the Black Flag+11% Synergy
$0.14
Curious Inquiry+11% Synergy
$0.07
Marit Lage's Slumber+10% Synergy
$0.40
Scroll of Isildur+9% Synergy
$0.45
Telepathy+8% Synergy
$1.82
Stormchaser's Talent+8% Synergy
$13.05
Thassa's Ire+8% Synergy
$0.14
Hold for Questioning+8% Synergy
$0.12
Ominous Seas+7% Synergy
$1.19
Witness Protection+7% Synergy
$0.09
Curiosity+7% Synergy
$0.55
Curious Obsession+7% Synergy
$0.26
Trail of Evidence+7% Synergy
$0.22
Crab Umbra+6% Synergy
$0.42
Extravagant Replication+5% Synergy
$0.36
Fortune Teller's Talent+5% Synergy
$0.48
Betrayal+5% Synergy
$0.25
Cloak of Mists+5% Synergy
$0.37
In Bolas's Clutches+5% Synergy
$0.10
Octopus Umbra+5% Synergy
$2.25
Wingspan Stride+5% Synergy
$0.03
Aether Tunnel+4% Synergy
$0.70
Followed Footsteps+4% Synergy
$2.04
Omniscience+2% Synergy
$5.59
Nerd Rage+2% Synergy
$0.35
Coastal Piracy+1% Synergy
$1.01
Thopter Spy Network-1% Synergy
$1.73
Proft's Eidetic Memory-2% Synergy
$2.80
Reconnaissance Mission-2% Synergy
$1.25
Propaganda-4% Synergy
$2.67
Mystic Remora-4% Synergy
$8.99
Planeswalkers
Planeswalkers that work alongside K-9, Mark I to provide ongoing value and board presence.
Kaito, Cunning Infiltrator+12% Synergy
$2.15
Kasmina, Enigmatic Mentor+11% Synergy
$0.18
Mordenkainen+7% Synergy
$0.96
Teferi, Master of Time+5% Synergy
$6.80
Jace, the Mind Sculptor+5% Synergy
$17.62
Vronos, Masked Inquisitor+5% Synergy
$2.38
Jace, Cunning Castaway+4% Synergy
$0.76
Teferi, Temporal Archmage+4% Synergy
$0.50
Teferi, Temporal Pilgrim+2% Synergy
$3.07
Jace Beleren+2% Synergy
$1.81
Jace, Wielder of Mysteries-7% Synergy
$6.04
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Minamo, School at Water's Edge+28% Synergy
$47.76
Castle Vantress+19% Synergy
$0.18
Dark Depths+17% Synergy
$2.22
Lonely Sandbar+16% Synergy
$0.07
Nykthos, Shrine to Nyx+15% Synergy
$37.97
Seafarer's Quay+15% Synergy
$5.76
Otawara, Soaring City+13% Synergy
$19.12
Hall of Storm Giants+10% Synergy
$0.38
Great Hall of the Citadel+10% Synergy
$0.23
War Room+9% Synergy
$4.85
Tyrite Sanctum+8% Synergy
$2.85
Thespian's Stage+8% Synergy
$0.38
Labyrinth of Skophos+7% Synergy
$0.16
Vesuva+6% Synergy
$3.48
The Surgical Bay+6% Synergy
$0.05
Dungeon Descent+5% Synergy
$0.19
Untaidake, the Cloud Keeper+5% Synergy
$6.40
Mystifying Maze+5% Synergy
$0.60
Deserted Temple+5% Synergy
$1.22
Zhalfirin Void+4% Synergy
$0.43
Sunken Palace+2% Synergy
$0.76
Academy Ruins0% Synergy
$10.45
Buried Ruin0% Synergy
$0.22
Mistrise Village-1% Synergy
$5.67
Rogue's Passage-2% Synergy
$0.38
Halimar Depths-2% Synergy
$0.22
Temple of the False God-3% Synergy
$0.13
Urza's Saga-4% Synergy
$35.81
Mystic Sanctuary-5% Synergy
$6.69
Seat of the Synod-5% Synergy
$0.64
Archway of Innovation-5% Synergy
$1.63
Reliquary Tower-10% Synergy
$2.27
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Relic of Legends+42% Synergy
$2.54
Patriar's Seal+39% Synergy
$3.08
Crystal Skull, Isu Spyglass+21% Synergy
$2.85
Midnight Clock+15% Synergy
$0.41
The Irencrag+12% Synergy
$0.52
Commander's Sphere+8% Synergy
$0.14
Throne of Eldraine+8% Synergy
$25.64
Mox Amber+8% Synergy
$61.28
Five Hundred Year Diary+7% Synergy
$0.19
Nyx Lotus+6% Synergy
$5.03
Star Compass+6% Synergy
$0.42
Eye of Ramos+5% Synergy
$2.05
Lapis Orb of Dragonkind+5% Synergy
$0.11
Skyclave Relic+4% Synergy
$1.15
Sky Diamond+2% Synergy
$0.18
Springleaf Drum+2% Synergy
$0.71
Misleading Signpost+1% Synergy
$12.18
Thran Dynamo0% Synergy
$3.27
Caged Sun-1% Synergy
$3.17
Hedron Archive-1% Synergy
$0.23
Decanter of Endless Water-4% Synergy
$3.63
Everflowing Chalice-6% Synergy
$0.16
Gilded Lotus-6% Synergy
$0.84
Mind Stone-11% Synergy
$0.19
Sol Ring-14% Synergy
$1.27
Fellwar Stone-15% Synergy
$0.85
Thought Vessel-21% Synergy
$1.22
Arcane Signet-27% Synergy
$0.35
Lands
The mana base foundation for K-9, Mark I decks, ensuring smooth and reliable mana development.
Plaza of Heroes+20% Synergy
$6.66
The Grey Havens+12% Synergy
$0.15
Snow-Covered Island+5% Synergy
$0.83
Silundi Vision+5% Synergy
$0.28
Abstergo Entertainment+5% Synergy
$2.43
Opal Palace+4% Synergy
$0.12
Terramorphic Expanse+2% Synergy
$0.11
Evolving Wilds+1% Synergy
$0.08
Demolition Field0% Synergy
$0.43
Glasspool Mimic-1% Synergy
$4.51
Myriad Landscape-3% Synergy
$0.15
Island-6% Synergy
$0.08
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, Father of Synths
The Thirteenth Doctor // Ian Chesterton
The Fourteenth Doctor // Martha Jones
Shaun & Rebecca, Agents
Jedit Ojanen, Mercenary
The Eleventh Doctor // K-9, Mark I
Bayek of Siwa
Shanid, Sleepers' Scourge
Hajar, Loyal Bodyguard
Niv-Mizzet, Guildpact
The Twelfth Doctor // Jamie McCrimmon
Kolvori, God of Kinship
Djeru and Hazoret
Frodo Baggins
Sarevok, Deathbringer // Inspiring Leader
Legolas Greenleaf
The Fourteenth Doctor // Rose Noble
Arvad the Cursed
Bruse Tarl, Boorish Herder // Yoshimaru, Ever Faithful
Senu, Keen-Eyed Protector
Casal, Lurkwood Pathfinder
Jodah, the Unifier
Éowyn, Fearless Knight
Peter Parker
Aragorn, the Uniter
Alena, Kessig Trapper // Yoshimaru, Ever Faithful
Havi, the All-Father
The Fourteenth Doctor
Kamahl, Heart of Krosa // Yoshimaru, Ever Faithful
The Sixth Doctor // Peri Brown
Thancred Waters
Kethis, the Hidden Hand
Ravos, Soultender // Yoshimaru, Ever Faithful
The Sixth Doctor // Jamie McCrimmon
Cadric, Soul Kindler
The Fourteenth Doctor // Clara Oswald
The Fourteenth Doctor // Donna Noble