K-9, Mark I
$0.69
$0.69Legendary 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
#3681
Current Rank
#3390
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 Fourth Doctor
The Second Doctor
The Seventh Doctor
The Twelfth Doctor
The Third Doctor
The Tenth Doctor
The Fifteenth Doctor
The Sixth Doctor
The Thirteenth Doctor
The Eleventh Doctor
The Eighth Doctor
The Fifth Doctor
The First Doctor
The Fugitive DoctorNew Cards
Fresh cards from recent sets that players are experimenting with in K-9, Mark I decks.
Spider-Man 2099, Miguel O'Hara+20% Synergy
$11.93
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
$0.16
Rivendell+56% Synergy
$1.65
Callaphe, Beloved of the Sea+50% Synergy
$0.18
Grazilaxx, Illithid Scholar+49% Synergy
$1.28
Iymrith, Desert Doom+48% Synergy
$0.70
Champion's Helm+44% Synergy
$1.51
The Reality Chip+43% Synergy
$2.79
Teferi, Mage of Zhalfir+42% Synergy
$1.87
Blackblade Reforged+41% Synergy
$2.12
Kira, Great Glass-Spinner+41% Synergy
$4.23
Top Cards
The most popular and reliable cards that form the backbone of successful K-9, Mark I decks.
Eluge, the Shoreless Sea+37% Synergy
$2.44
Nezahal, Primal Tide+35% Synergy
$7.94
Preordain+22% Synergy
$0.58
Ponder+19% Synergy
$1.70
Brainstorm+18% Synergy
$1.30
Aetherize+16% Synergy
$0.39
Rapid Hybridization+9% Synergy
$1.50
Pongify+8% Synergy
$1.82
Sapphire Medallion0% Synergy
$4.33
Counterspell-6% Synergy
$1.59
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Fierce Guardianship0% Synergy
$44.28
Cyclonic Rift-2% Synergy
$44.75
Thassa's Oracle-8% Synergy
$17.50
Mystical Tutor-12% Synergy
$13.07
Force of Will-13% Synergy
$64.39
Rhystic Study-14% Synergy
$50.96
Creatures
Essential creatures that complement K-9, Mark I's strategy through synergy, utility, or raw power.
Adric, Mathematical Genius+38% Synergy
$0.19
Thassa, God of the Sea+37% Synergy
$0.92
Kairi, the Swirling Sky+33% Synergy
$0.57
Esior, Wardwing Familiar+30% Synergy
$0.46
Sun Quan, Lord of Wu+28% Synergy
$5.28
Malcolm, Alluring Scoundrel+26% Synergy
$2.24
Atemsis, All-Seeing+26% Synergy
$0.27
Jin-Gitaxias+25% Synergy
$12.18
Osgood, Operation Double+25% Synergy
$0.10
Gadwick, the Wizened+24% Synergy
$0.68
Venser, Shaper Savant+22% Synergy
$0.84
Unctus, Grand Metatect+22% Synergy
$0.37
Empress Galina+20% Synergy
$9.69
Baral, Chief of Compliance+19% Synergy
$1.93
Thryx, the Sudden Storm+19% Synergy
$0.16
Urza, Lord High Artificer+18% Synergy
$13.23
Piper Wright, Publick Reporter+18% Synergy
$0.17
Jin-Gitaxias, Progress Tyrant+17% Synergy
$7.88
Jhoira's Familiar+15% Synergy
$1.61
The Peregrine Dynamo+15% Synergy
$1.75
Lu Xun, Scholar General+15% Synergy
$0.48
Hope of Ghirapur+14% Synergy
$1.41
Curie, Emergent Intelligence+14% Synergy
$1.00
Kami of the Crescent Moon+13% Synergy
$5.73
Ultimecia, Temporal Threat+13% Synergy
$0.82
Hermitic Nautilus+13% Synergy
$0.05
Volo, Itinerant Scholar+13% Synergy
$0.26
Sakashima of a Thousand Faces+12% Synergy
$29.43
Jin-Gitaxias, Core Augur+12% Synergy
$10.98
Kiora, the Rising Tide+12% Synergy
$0.51
Artificer's Assistant+12% Synergy
$0.18
The Mindskinner+12% Synergy
$1.44
Jill, Shiva's Dominant+12% Synergy
$0.64
Lorthos, the Tidemaker+12% Synergy
$0.28
Brass Squire+12% Synergy
$0.85
Cosima, God of the Voyage+12% Synergy
$0.58
Sakashima the Impostor+10% Synergy
$7.98
Tetsuko Umezawa, Fugitive+10% Synergy
$0.11
Rayne, Academy Chancellor+10% Synergy
$1.21
Ascendant Spirit+10% Synergy
$0.16
Ulamog, the Ceaseless Hunger+9% Synergy
$15.27
Arcanis the Omnipotent+8% Synergy
$0.21
Solemn Simulacrum+6% Synergy
$0.26
Thought Monitor+5% Synergy
$0.44
Siren Stormtamer+4% Synergy
$0.17
Sai, Master Thopterist+3% Synergy
$0.41
Defiler of Dreams+3% Synergy
$0.28
Emry, Lurker of the Loch+1% Synergy
$0.65
Talrand, Sky Summoner-1% Synergy
$0.40
Hullbreaker Horror-9% Synergy
$3.79
Instants
Key instant-speed responses for protection, removal, and keeping K-9, Mark I safe.
Desynchronization+27% Synergy
$3.71
Glorious Gale+25% Synergy
$0.12
Louisoix's Sacrifice+22% Synergy
$0.42
Bounce Off+18% Synergy
$0.09
Soothing of Sméagol+17% Synergy
$0.07
Stoic Rebuttal+15% Synergy
$0.26
Consider+14% Synergy
$0.38
Magic Damper+14% Synergy
$0.08
Opt+13% Synergy
$0.11
Frantic Search+12% Synergy
$0.59
Wash Away+11% Synergy
$0.58
Reality Shift+10% Synergy
$0.24
Dreadful as the Storm+10% Synergy
$0.11
Archmage's Charm+9% Synergy
$1.09
Sublime Epiphany+9% Synergy
$0.17
Phantom Interference+9% Synergy
$0.07
Envelop+8% Synergy
$0.39
Vault Skyward+8% Synergy
$0.10
Spell Pierce+7% Synergy
$0.20
Twiddle+7% Synergy
$0.55
Twisted Image+7% Synergy
$0.26
Tale's End+7% Synergy
$1.80
Mystic Confluence+6% Synergy
$0.42
Deduce+6% Synergy
$0.05
Eliminate the Impossible+6% Synergy
$0.04
Bewildering Blizzard+6% Synergy
$0.04
An Offer You Can't Refuse+5% Synergy
$1.46
Silundi Vision+5% Synergy
$0.45
Devious Cover-Up+5% Synergy
$0.04
Disallow+3% Synergy
$2.01
Shore Up+3% Synergy
$0.12
Perplexing Test+2% Synergy
$0.27
Cerulean Wisps+2% Synergy
$1.91
Stubborn Denial+2% Synergy
$3.60
Dispel+1% Synergy
$0.31
Into the Flood Maw+1% Synergy
$3.71
See Double+1% Synergy
$0.44
Slip Out the Back0% Synergy
$2.29
Cryptic Command-1% Synergy
$5.53
March of Swirling Mist-1% Synergy
$1.24
Rewind-2% Synergy
$0.41
Flusterstorm-4% Synergy
$9.65
Arcane Denial-5% Synergy
$1.82
High Tide-6% Synergy
$1.06
Muddle the Mixture-6% Synergy
$1.84
Force of Negation-8% Synergy
$47.01
Flow of Knowledge-11% Synergy
$0.19
Mana Drain-12% Synergy
$46.95
Negate-13% Synergy
$0.26
Swan Song-13% Synergy
$8.52
Sorceries
Important sorcery spells that advance K-9, Mark I's game plan and control the board.
Arwen's Gift+30% Synergy
$0.07
Birthday Escape+27% Synergy
$0.31
Will of the Temur+22% Synergy
$0.58
Lórien Revealed+19% Synergy
$2.66
Serum Visions+18% Synergy
$1.32
Karn's Temporal Sundering+15% Synergy
$1.48
Void Snare+10% Synergy
$0.12
Ravenform+8% Synergy
$0.17
Enter the Enigma+8% Synergy
$0.17
Quantum Misalignment+7% Synergy
$10.56
Quasiduplicate+7% Synergy
$0.52
Horses of the Bruinen+7% Synergy
$0.09
Time Stretch+6% Synergy
$3.42
Traverse Eternity+6% Synergy
$0.32
Careful Study+6% Synergy
$1.60
Irenicus's Vile Duplication+5% Synergy
$9.05
Introduction to Annihilation+5% Synergy
$0.09
Stolen Identity+3% Synergy
$0.28
Hard Evidence+3% Synergy
$0.08
Devastation Tide+2% Synergy
$0.76
Flood of Tears+2% Synergy
$0.74
Finale of Revelation-2% Synergy
$0.33
Spectral Deluge-6% Synergy
$3.54
Windfall-8% Synergy
$4.12
Fabricate-12% Synergy
$8.72
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Bident of Thassa+32% Synergy
$1.09
Excalibur, Sword of Eden+31% Synergy
$11.59
Helm of the Host+30% Synergy
$9.90
Heroes' Podium+28% Synergy
$0.29
Mithril Coat+25% Synergy
$19.88
Colossus Hammer+22% Synergy
$1.52
Mirror Box+18% Synergy
$3.49
Brotherhood Regalia+18% Synergy
$8.78
Commander's Plate+16% Synergy
$37.23
Mirror of Galadriel+15% Synergy
$0.10
The Key to the Vault+14% Synergy
$0.22
Sword of the Animist+12% Synergy
$5.30
Candlestick+12% Synergy
$0.06
Dragonfire Blade+12% Synergy
$1.32
Hammer of Nazahn+11% Synergy
$15.94
Confession Dial+10% Synergy
$0.12
Crown of Gondor+10% Synergy
$0.24
Thran Temporal Gateway+10% Synergy
$0.27
Bloodforged Battle-Axe+9% Synergy
$1.00
Loxodon Warhammer+9% Synergy
$1.54
Sword of Feast and Famine+9% Synergy
$32.42
Lavaspur Boots+8% Synergy
$0.98
Bilbo's Ring+8% Synergy
$11.39
Wayfarer's Bauble+7% Synergy
$0.21
The Blackstaff of Waterdeep+7% Synergy
$0.16
Darksteel Plate+7% Synergy
$4.91
Hero's Blade+7% Synergy
$0.10
Golem-Skin Gauntlets+7% Synergy
$0.18
Blitzball Stadium+7% Synergy
$0.11
Buster Sword+7% Synergy
$39.60
Kefnet's Monument+6% Synergy
$0.38
Pip-Boy 3000+6% Synergy
$2.80
The Animus+6% Synergy
$0.18
Swiftfoot Boots+5% Synergy
$1.22
Mjölnir, Storm Hammer+5% Synergy
$1.99
Greataxe+5% Synergy
$0.07
Sword of the Chosen+5% Synergy
$0.18
Ace's Baseball Bat+5% Synergy
$0.21
Bonesplitter+5% Synergy
$0.17
Helm of the Gods+5% Synergy
$2.56
Kaldra Compleat+4% Synergy
$8.09
Quietus Spike+4% Synergy
$0.81
Traveler's Amulet+4% Synergy
$0.08
Robe of the Archmagi+4% Synergy
$0.35
The Indomitable+3% Synergy
$0.91
Whispersilk Cloak+3% Synergy
$2.20
Voltaic Key+2% Synergy
$3.15
Manifold Key+1% Synergy
$1.11
The Magic Mirror-1% Synergy
$3.41
Lightning Greaves-6% Synergy
$4.32
Enchantments
Powerful enchantments that support K-9, Mark I's strategy and create lasting battlefield effects.
Combat Research+36% Synergy
$0.29
Sleep Magic+23% Synergy
$0.06
Aqueous Form+21% Synergy
$0.27
Teferi's Ageless Insight+14% Synergy
$1.89
Ballad of the Black Flag+13% Synergy
$0.15
Ominous Seas+12% Synergy
$0.98
Leyline of Singularity+12% Synergy
$4.27
Imprisoned in the Moon+11% Synergy
$0.17
Storm of Saruman+11% Synergy
$2.57
Marit Lage's Slumber+10% Synergy
$0.38
Wizard Class+9% Synergy
$1.35
Stormchaser's Talent+9% Synergy
$1.81
Scroll of Isildur+9% Synergy
$0.28
Case of the Filched Falcon+9% Synergy
$0.07
Telepathy+8% Synergy
$0.76
Thassa's Ire+8% Synergy
$0.16
Thopter Spy Network+7% Synergy
$0.57
Witness Protection+7% Synergy
$0.13
Curiosity+7% Synergy
$0.56
Curious Obsession+7% Synergy
$0.29
Crab Umbra+6% Synergy
$0.46
Fortune Teller's Talent+6% Synergy
$0.31
Curious Inquiry+6% Synergy
$0.06
Wingspan Stride+6% Synergy
$0.06
Cloak of Mists+5% Synergy
$0.36
Betrayal+5% Synergy
$0.27
In Bolas's Clutches+5% Synergy
$0.15
Aether Tunnel+4% Synergy
$0.47
Extravagant Replication+3% Synergy
$0.36
Omniscience+2% Synergy
$5.45
Mystic Remora+1% Synergy
$10.57
Coastal Piracy+1% Synergy
$0.67
Proft's Eidetic Memory-2% Synergy
$3.83
Reconnaissance Mission-2% Synergy
$1.03
Propaganda-3% Synergy
$2.29
Planeswalkers
Planeswalkers that work alongside K-9, Mark I to provide ongoing value and board presence.
Kasmina, Enigmatic Mentor+16% Synergy
$0.17
Kaito, Cunning Infiltrator+14% Synergy
$1.71
Teferi, Master of Time+10% Synergy
$6.43
Mordenkainen+7% Synergy
$1.01
Jace, the Mind Sculptor+5% Synergy
$18.96
Vronos, Masked Inquisitor+5% Synergy
$1.87
Teferi, Temporal Archmage+4% Synergy
$0.53
Jace, Cunning Castaway+4% Synergy
$0.62
Teferi, Temporal Pilgrim+2% Synergy
$3.19
Jace Beleren+2% Synergy
$1.58
Jace, Wielder of Mysteries-2% Synergy
$6.64
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Minamo, School at Water's Edge+27% Synergy
$46.32
Lonely Sandbar+21% Synergy
$0.11
Castle Vantress+19% Synergy
$0.26
Seafarer's Quay+15% Synergy
$5.70
Otawara, Soaring City+13% Synergy
$18.48
Nykthos, Shrine to Nyx+12% Synergy
$39.21
Dark Depths+12% Synergy
$2.53
Hall of Storm Giants+10% Synergy
$0.38
Great Hall of the Citadel+10% Synergy
$0.20
Tyrite Sanctum+8% Synergy
$1.87
War Room+7% Synergy
$3.04
Vesuva+7% Synergy
$3.90
Labyrinth of Skophos+7% Synergy
$0.18
The Surgical Bay+6% Synergy
$0.07
Thespian's Stage+5% Synergy
$0.52
Untaidake, the Cloud Keeper+5% Synergy
$4.40
Mystifying Maze+5% Synergy
$0.65
Deserted Temple+5% Synergy
$1.27
Dungeon Descent+5% Synergy
$0.18
Zhalfirin Void+4% Synergy
$0.37
Seat of the Synod+3% Synergy
$0.79
Buried Ruin+3% Synergy
$0.29
Sunken Palace+2% Synergy
$0.68
Mistrise Village+1% Synergy
$6.22
Rogue's Passage-2% Synergy
$0.31
Academy Ruins-3% Synergy
$11.15
Halimar Depths-3% Synergy
$0.34
Mystic Sanctuary-5% Synergy
$1.64
Temple of the False God-5% Synergy
$0.13
Urza's Saga-9% Synergy
$35.27
Reliquary Tower-10% Synergy
$2.03
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Relic of Legends+39% Synergy
$1.78
Patriar's Seal+36% Synergy
$3.60
Crystal Skull, Isu Spyglass+21% Synergy
$2.15
Midnight Clock+15% Synergy
$0.43
Commander's Sphere+13% Synergy
$0.16
The Irencrag+12% Synergy
$0.43
Mox Amber+11% Synergy
$62.61
Star Compass+6% Synergy
$0.51
Eye of Ramos+5% Synergy
$1.97
Lapis Orb of Dragonkind+5% Synergy
$0.12
Skyclave Relic+4% Synergy
$1.67
Throne of Eldraine+3% Synergy
$23.24
Nyx Lotus+3% Synergy
$5.28
Moonsnare Prototype+3% Synergy
$0.12
Sky Diamond+2% Synergy
$0.19
Springleaf Drum+2% Synergy
$0.69
Misleading Signpost+1% Synergy
$11.50
Mana Crypt+1% Synergy
$38.46
Hedron Archive-1% Synergy
$0.27
Thran Dynamo-3% Synergy
$2.60
Everflowing Chalice-6% Synergy
$0.26
Decanter of Endless Water-7% Synergy
$3.61
Caged Sun-7% Synergy
$3.55
Sol Ring-14% Synergy
$1.48
Mind Stone-14% Synergy
$0.12
Thought Vessel-21% Synergy
$1.05
Arcane Signet-24% Synergy
$0.48
Lands
The mana base foundation for K-9, Mark I decks, ensuring smooth and reliable mana development.
Plaza of Heroes+20% Synergy
$6.61
The Grey Havens+12% Synergy
$0.18
Abstergo Entertainment+6% Synergy
$2.58
Snow-Covered Island+5% Synergy
$0.97
Silundi Vision+5% Synergy
$0.45
Opal Palace+4% Synergy
$0.12
The Mycosynth Gardens+2% Synergy
$0.54
Terramorphic Expanse+2% Synergy
$0.15
Evolving Wilds+1% Synergy
$0.12
Demolition Field0% Synergy
$0.52
Glasspool Mimic-1% Synergy
$4.63
Myriad Landscape-4% Synergy
$0.17
Island-6% Synergy
$0.06
Similar Commanders
The following Commanders share a similar playing style, strategy, or theme like K-9, Mark I.
Ludevic, Necro-Alchemist // Yoshimaru, Ever Faithful
Brinelin, the Moon Kraken // Yoshimaru, Ever Faithful
The Thirteenth Doctor // Ian Chesterton
The Fourth Doctor // Tegan Jovanka
Shaun, Father of Synths
Shaun & Rebecca, Agents
The Fourteenth Doctor // Martha Jones
Jedit Ojanen, Mercenary
The Eleventh Doctor // K-9, Mark I
Niv-Mizzet, Guildpact
The Twelfth Doctor // Jamie McCrimmon
The Fourteenth Doctor // Rose Noble
Bayek of Siwa
Shanid, Sleepers' Scourge
Hajar, Loyal Bodyguard
Aragorn, the Uniter
Kolvori, God of Kinship
Djeru and Hazoret
Frodo Baggins
Alena, Kessig Trapper // Yoshimaru, Ever Faithful
Arvad the Cursed
Éowyn, Fearless Knight
Sarevok, Deathbringer // Inspiring Leader
The Fourteenth Doctor
Legolas Greenleaf
Cadric, Soul Kindler
Bruse Tarl, Boorish Herder // Yoshimaru, Ever Faithful
Kamahl, Heart of Krosa // Yoshimaru, Ever Faithful
Senu, Keen-Eyed Protector
The Sixth Doctor // Peri Brown
Thancred Waters
Jodah, the Unifier
Casal, Lurkwood Pathfinder
Kethis, the Hidden Hand
Ravos, Soultender // Yoshimaru, Ever Faithful
The Sixth Doctor // Jamie McCrimmon
Peter Parker
The Fourteenth Doctor // Clara Oswald
The Fourteenth Doctor // Donna Noble
Havi, the All-Father