K-9, Mark I
$3.71
$3.71Legendary Artifact Creature — Robot Dog
How it feels to play against
Mildly Annoying
Some frustrating moments but still fun.
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 Third Doctor
The Second Doctor
The Twelfth Doctor
The Fourth Doctor
The Tenth Doctor
The Eleventh Doctor
The Eighth Doctor
The Fifteenth Doctor
The Fifth Doctor
The First Doctor
The Fugitive Doctor
The Ninth Doctor
The Seventh Doctor
The Sixth Doctor
The Thirteenth DoctorHigh Synergy Cards
Cards that work exceptionally well with K-9, Mark I's abilities and overall game plan.
Ioreth of the Healing House+63% Synergy
$0.36
Iymrith, Desert Doom+53% Synergy
$1.33
Rivendell+52% Synergy
$1.61
Combat Research+41% Synergy
$0.49
Arwen's Gift+41% Synergy
$0.22
Callaphe, Beloved of the Sea+40% Synergy
$0.25
Thassa, God of the Sea+40% Synergy
$3.36
Heroes' Podium+39% Synergy
$0.52
Grazilaxx, Illithid Scholar+37% Synergy
$1.94
The Reality Chip+37% Synergy
$4.52
Top Cards
The most popular and reliable cards that form the backbone of successful K-9, Mark I decks.
Bident of Thassa+36% Synergy
$0.47
Aetherize+26% Synergy
$0.51
Brainstorm+15% Synergy
$1.34
Ponder+14% Synergy
$3.80
Pongify+12% Synergy
$2.36
An Offer You Can't Refuse+9% Synergy
$3.36
Rapid Hybridization+9% Synergy
$0.97
High Tide+4% Synergy
$1.71
Sapphire Medallion+0% Synergy
$7.89
Counterspell-9% Synergy
$3.52
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Chrome Mox-1% Synergy
$168.60
Ancient Tomb-1% Synergy
$132.61
Mystical Tutor-2% Synergy
$17.61
Cyclonic Rift-3% Synergy
$39.39
Thassa's Oracle-5% Synergy
$23.36
The One Ring-5% Synergy
$120.95
Fierce Guardianship-6% Synergy
$64.38
Rhystic Study-19% Synergy
$71.11
Creatures
Essential creatures that complement K-9, Mark I's strategy through synergy, utility, or raw power.
Nezahal, Primal Tide+34% Synergy
$8.70
Teferi, Mage of Zhalfir+33% Synergy
$3.31
Eluge, the Shoreless Sea+33% Synergy
$5.69
Malcolm, Alluring Scoundrel+30% Synergy
$3.74
Sun Quan, Lord of Wu+29% Synergy
$9.14
Kira, Great Glass-Spinner+27% Synergy
$6.22
Unctus, Grand Metatect+27% Synergy
$0.42
Atemsis, All-Seeing+26% Synergy
$0.38
The Blue Spirit+25% Synergy
$0.96
Piper Wright, Publick Reporter+25% Synergy
$0.32
Adric, Mathematical Genius+24% Synergy
$0.33
Kairi, the Swirling Sky+24% Synergy
$0.89
Esior, Wardwing Familiar+22% Synergy
$0.75
Sakashima the Impostor+22% Synergy
$18.55
The Mechanist, Aerial Artisan+18% Synergy
$0.29
The Peregrine Dynamo+18% Synergy
$2.76
Baral, Chief of Compliance+17% Synergy
$3.36
Kiora, the Rising Tide+16% Synergy
$0.37
Gadwick, the Wizened+15% Synergy
$0.78
Curie, Emergent Intelligence+15% Synergy
$0.28
Ultimecia, Temporal Threat+15% Synergy
$0.58
Empress Galina+15% Synergy
$14.29
Thryx, the Sudden Storm+15% Synergy
$0.25
Venser, Shaper Savant+15% Synergy
$1.12
Jin-Gitaxias, Progress Tyrant+13% Synergy
$8.43
Jin-Gitaxias+13% Synergy
$12.92
Lu Xun, Scholar General+13% Synergy
$0.30
Emeritus of Ideation+12% Synergy
$5.43
Artificer's Assistant+12% Synergy
$0.29
Arcanis the Omnipotent+12% Synergy
$0.28
Solemn Simulacrum+12% Synergy
$0.37
Jill, Shiva's Dominant+11% Synergy
$0.41
Jhoira's Familiar+11% Synergy
$2.41
The Mindskinner+11% Synergy
$2.49
Osgood, Operation Double+11% Synergy
$0.26
Lorthos, the Tidemaker+10% Synergy
$0.32
Vnwxt, Verbose Host+10% Synergy
$0.42
Forecasting Fortune Teller+10% Synergy
$0.12
Hope of Ghirapur+10% Synergy
$2.76
Mockingbird+9% Synergy
$3.91
Tetsuko Umezawa, Fugitive+9% Synergy
$1.99
Gogo, Master of Mimicry+8% Synergy
$4.67
Sakashima of a Thousand Faces+5% Synergy
$33.95
Alandra, Sky Dreamer+4% Synergy
$9.80
Urza, Lord High Artificer+3% Synergy
$16.30
Wan Shi Tong, Librarian+3% Synergy
$35.81
Emry, Lurker of the Loch0% Synergy
$0.59
Talrand, Sky Summoner-1% Synergy
$1.84
Phyrexian Metamorph-8% Synergy
$2.09
Laboratory Maniac-8% Synergy
$2.46
Instants
Key instant-speed responses for protection, removal, and keeping K-9, Mark I safe.
Desynchronization+25% Synergy
$5.74
Louisoix's Sacrifice+16% Synergy
$0.36
Glorious Gale+15% Synergy
$0.26
Divergent Equation+15% Synergy
$0.25
Reality Shift+13% Synergy
$0.28
Soothing of Sméagol+11% Synergy
$0.23
Archmage's Charm+10% Synergy
$1.93
Frantic Search+10% Synergy
$1.69
Spell Pierce+10% Synergy
$0.29
Lost Days+9% Synergy
$0.18
Bounce Off+9% Synergy
$0.25
Wash Away+9% Synergy
$0.60
Deduce+9% Synergy
$0.24
Dreadful as the Storm+9% Synergy
$0.16
Consider+8% Synergy
$0.29
Twiddle+8% Synergy
$0.48
Stoic Rebuttal+7% Synergy
$0.31
Magic Damper+6% Synergy
$0.24
Vault Skyward+6% Synergy
$0.07
Envelop+6% Synergy
$3.67
Phantom Interference+6% Synergy
$0.22
Secrets of the Key+6% Synergy
$0.23
Tale's End+6% Synergy
$3.05
Confirm Suspicions+6% Synergy
$0.26
Twisted Image+6% Synergy
$0.40
Theoretical Duplication+6% Synergy
$0.71
Disallow+4% Synergy
$1.89
Cerulean Wisps+3% Synergy
$1.42
Dispel+3% Synergy
$0.30
Sublime Epiphany+3% Synergy
$0.61
Mystic Confluence+3% Synergy
$1.06
Opt+2% Synergy
$0.25
Unsummon+2% Synergy
$0.25
Evacuation+1% Synergy
$0.24
Silundi Vision+1% Synergy
$0.40
Slip Out the Back+1% Synergy
$5.16
Shore Up+1% Synergy
$0.22
Negate+0% Synergy
$0.27
Into the Flood Maw0% Synergy
$2.53
March of Swirling Mist0% Synergy
$4.76
Cryptic Command0% Synergy
$7.97
Arcane Denial-1% Synergy
$2.10
Rewind-2% Synergy
$0.49
Muddle the Mixture-3% Synergy
$2.34
Force of Negation-8% Synergy
$52.98
Swan Song-11% Synergy
$10.21
Mana Drain-12% Synergy
$56.80
Sorceries
Important sorcery spells that advance K-9, Mark I's game plan and control the board.
Birthday Escape+19% Synergy
$0.28
Karn's Temporal Sundering+16% Synergy
$1.74
Preordain+16% Synergy
$0.71
Serum Visions+14% Synergy
$2.57
Lórien Revealed+12% Synergy
$5.22
Wisdom of Ages+12% Synergy
$0.34
Will of the Temur+10% Synergy
$1.79
Void Snare+8% Synergy
$0.26
Hard Evidence+7% Synergy
$0.22
Press for Answers+6% Synergy
$0.06
Horses of the Bruinen+6% Synergy
$0.21
Ravenform+6% Synergy
$0.32
Quasiduplicate+6% Synergy
$0.71
Traverse Eternity+5% Synergy
$0.37
Time Stretch+5% Synergy
$5.17
Enter the Enigma+5% Synergy
$0.36
Careful Study+5% Synergy
$6.44
Ember Island Production+3% Synergy
$0.28
Irenicus's Vile Duplication+3% Synergy
$11.26
Quantum Misalignment+3% Synergy
$4.88
Enter the Infinite+2% Synergy
$8.61
Windfall-5% Synergy
$5.18
Fabricate-13% Synergy
$10.28
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Champion's Helm+33% Synergy
$2.91
Blackblade Reforged+30% Synergy
$3.18
Excalibur, Sword of Eden+28% Synergy
$19.99
Mirror of Galadriel+18% Synergy
$0.20
The Key to the Vault+16% Synergy
$0.58
Helm of the Host+14% Synergy
$6.03
Brotherhood Regalia+14% Synergy
$9.36
Mirror Box+13% Synergy
$5.28
Mithril Coat+13% Synergy
$32.63
Kefnet's Monument+12% Synergy
$0.52
Crown of Gondor+11% Synergy
$0.39
Confession Dial+9% Synergy
$0.25
Swiftfoot Boots+9% Synergy
$2.30
Thran Temporal Gateway+9% Synergy
$0.53
Candlestick+9% Synergy
$0.23
Magnifying Glass+8% Synergy
$0.25
Weatherlight+8% Synergy
$1.90
Quietus Spike+8% Synergy
$1.70
Colossus Hammer+8% Synergy
$2.56
Sword of Feast and Famine+7% Synergy
$40.57
The Indomitable+7% Synergy
$3.59
Sword of the Chosen+6% Synergy
$0.71
Bessie, the Doctor's Roadster+6% Synergy
$0.29
Wayfarer's Bauble+6% Synergy
$5.04
Hero's Blade+6% Synergy
$0.26
Bloodforged Battle-Axe+6% Synergy
$3.37
Mjölnir, Storm Hammer+5% Synergy
$2.97
Dragonfire Blade+5% Synergy
$2.19
Voltaic Key+5% Synergy
$5.05
Tamiyo's Journal+5% Synergy
$3.00
Fire Nation Warship+5% Synergy
$0.18
Lavaspur Boots+5% Synergy
$2.43
Commander's Plate+4% Synergy
$48.61
Manifold Key+4% Synergy
$1.50
Sword of the Animist+3% Synergy
$6.14
Waterbending Scroll+2% Synergy
$0.26
Lightning Greaves-5% Synergy
$4.55
Enchantments
Powerful enchantments that support K-9, Mark I's strategy and create lasting battlefield effects.
Aqueous Form+26% Synergy
$0.32
Imprisoned in the Moon+20% Synergy
$0.35
Teferi's Ageless Insight+15% Synergy
$6.49
Wizard Class+15% Synergy
$3.28
Curious Inquiry+13% Synergy
$0.24
Retro-Mutation+11% Synergy
$0.15
Leyline of Singularity+11% Synergy
$5.08
Witness Protection+10% Synergy
$0.24
Sleep Magic+10% Synergy
$0.19
Ominous Seas+9% Synergy
$1.43
Case of the Filched Falcon+9% Synergy
$0.07
Ballad of the Black Flag+8% Synergy
$0.34
Curiosity+8% Synergy
$0.87
Scroll of Isildur+8% Synergy
$0.60
Storm of Saruman+7% Synergy
$3.91
Omniscience+7% Synergy
$5.99
Telepathy+7% Synergy
$0.93
Hold for Questioning+6% Synergy
$0.24
Thassa's Ire+6% Synergy
$0.16
Betrayal+6% Synergy
$0.32
Marit Lage's Slumber+6% Synergy
$0.42
Trail of Evidence+6% Synergy
$0.31
Curious Obsession+6% Synergy
$0.47
Crab Umbra+5% Synergy
$0.44
Aether Tunnel+5% Synergy
$0.55
Stormchaser's Talent+5% Synergy
$3.14
Copy Enchantment+4% Synergy
$1.75
Honest Work+4% Synergy
$0.27
Waterbender Ascension+2% Synergy
$1.09
Reconnaissance Mission+2% Synergy
$0.36
Coastal Piracy+1% Synergy
$0.30
Thopter Spy Network0% Synergy
$0.78
Propaganda-3% Synergy
$2.85
Mystic Remora-5% Synergy
$13.06
Planeswalkers
Planeswalkers that work alongside K-9, Mark I to provide ongoing value and board presence.
Kaito, Cunning Infiltrator+12% Synergy
$1.96
Kasmina, Enigmatic Mentor+10% Synergy
$0.31
Mordenkainen+6% Synergy
$1.40
Teferi, Temporal Pilgrim+4% Synergy
$4.65
Teferi, Master of Time+2% Synergy
$8.08
Jace, Wielder of Mysteries-7% Synergy
$10.24
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Castle Vantress+19% Synergy
$0.40
Minamo, School at Water's Edge+17% Synergy
$59.74
Lonely Sandbar+16% Synergy
$0.24
Dark Depths+12% Synergy
$2.97
Seafarer's Quay+11% Synergy
$8.67
Hall of Storm Giants+9% Synergy
$0.50
Great Hall of the Citadel+9% Synergy
$0.37
War Room+8% Synergy
$5.35
Tyrite Sanctum+7% Synergy
$3.07
Thespian's Stage+6% Synergy
$0.48
The Surgical Bay+5% Synergy
$0.14
Otawara, Soaring City+4% Synergy
$28.81
Nykthos, Shrine to Nyx+4% Synergy
$53.40
Agna Qel'a+2% Synergy
$1.43
Rogue's Passage+0% Synergy
$0.43
Mystic Sanctuary-1% Synergy
$1.14
Temple of the False God-2% Synergy
$0.27
Halimar Depths-2% Synergy
$0.40
Academy Ruins-2% Synergy
$8.41
Mistrise Village-3% Synergy
$8.90
Urza's Saga-5% Synergy
$40.76
Seat of the Synod-5% Synergy
$0.79
Reliquary Tower-7% Synergy
$3.85
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Relic of Legends+39% Synergy
$1.37
Patriar's Seal+34% Synergy
$4.65
Crystal Skull, Isu Spyglass+27% Synergy
$2.19
Midnight Clock+15% Synergy
$0.60
Mox Amber+11% Synergy
$87.50
The Irencrag+10% Synergy
$1.25
Nyx Lotus+8% Synergy
$5.02
Throne of Eldraine+7% Synergy
$29.06
Five Hundred Year Diary+6% Synergy
$0.33
Commander's Sphere+5% Synergy
$0.26
Caged Sun+3% Synergy
$3.73
Springleaf Drum+3% Synergy
$0.35
Decanter of Endless Water-1% Synergy
$4.17
Mox Opal-2% Synergy
$239.83
Bender's Waterskin-3% Synergy
$1.10
Thran Dynamo-3% Synergy
$4.22
Sky Diamond-5% Synergy
$0.24
Sol Ring-12% Synergy
$1.56
Mind Stone-15% Synergy
$0.25
Arcane Signet-18% Synergy
$0.64
Thought Vessel-18% Synergy
$2.38
Lands
The mana base foundation for K-9, Mark I decks, ensuring smooth and reliable mana development.
Plaza of Heroes+17% Synergy
$4.22
The Grey Havens+15% Synergy
$0.33
Silundi Vision+1% Synergy
$0.40
Snow-Covered Island+1% Synergy
$1.01
Myriad Landscape+1% Synergy
$0.22
Island-5% 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
The Fourth Doctor // Tegan Jovanka
Brinelin, the Moon Kraken // Yoshimaru, Ever Faithful
The Thirteenth Doctor // Ian Chesterton
Shaun & Rebecca, Agents
The Eleventh Doctor // K-9, Mark I
The Fourteenth Doctor // Martha Jones
The Sixth Doctor // Peri Brown
The Sixth Doctor // Jamie McCrimmon
The Second Doctor // Jamie McCrimmon
Shaun, Father of Synths
The Fourteenth Doctor // Donna Noble
Jedit Ojanen, Mercenary
The Fourteenth Doctor // Rose Noble
The Twelfth Doctor // Jamie McCrimmon
The Sixth Doctor // Susan Foreman
The Fourteenth Doctor // Jamie McCrimmon
The Eighth Doctor // Graham O'Brien
The Fourteenth Doctor // Amy Pond
The Sixth Doctor // Yasmin Khan
The Fourteenth Doctor // Sarah Jane Smith
Niambi, Esteemed Speaker
The Fourteenth Doctor // Clara Oswald
The Sixth Doctor
The Sixth Doctor // Clara Oswald
Shanid, Sleepers' Scourge
The Fourth Doctor // Peri Brown
The Sixth Doctor // Bill Potts
The Tenth Doctor // Ace, Fearless Rebel
The Fourteenth Doctor
Kolvori, God of Kinship
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
Kamahl, Heart of Krosa // Yoshimaru, Ever Faithful
The Eighth Doctor // Vislor Turlough
Nashi, Moon's Legacy
The Sixth Doctor // Romana II
The Fourteenth Doctor // Graham O'Brien
The Fourteenth Doctor // Romana II
The Thirteenth Doctor // Peri Brown
The Fourteenth Doctor // Barbara Wright