K-9, Mark I
$3.54
$3.54Legendary 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 Eleventh Doctor
The Fifteenth Doctor
The Seventh Doctor
The Second Doctor
The First Doctor
The Twelfth Doctor
The Tenth Doctor
The Thirteenth Doctor
The Fourth Doctor
The Eighth Doctor
The Fifth Doctor
The Fugitive Doctor
The Ninth Doctor
The Sixth Doctor
The Third DoctorHigh Synergy Cards
Cards that work exceptionally well with K-9, Mark I's abilities and overall game plan.
Ioreth of the Healing House+65% Synergy
$0.37
Iymrith, Desert Doom+55% Synergy
$1.51
Rivendell+54% Synergy
$30.00
Callaphe, Beloved of the Sea+43% Synergy
$0.21
Thassa, God of the Sea+40% Synergy
$3.56
Grazilaxx, Illithid Scholar+40% Synergy
$2.31
Combat Research+39% Synergy
$0.71
Arwen's Gift+39% Synergy
$0.19
The Reality Chip+39% Synergy
$4.21
Heroes' Podium+37% Synergy
$0.50
Top Cards
The most popular and reliable cards that form the backbone of successful K-9, Mark I decks.
Bident of Thassa+36% Synergy
$0.42
Aetherize+28% Synergy
$0.39
Brainstorm+16% Synergy
$1.50
Ponder+15% Synergy
$1.96
Pongify+12% Synergy
$1.77
Rapid Hybridization+9% Synergy
$1.08
An Offer You Can't Refuse+8% Synergy
$3.63
High Tide+2% Synergy
$1.89
Sapphire Medallion+2% Synergy
$7.47
Counterspell-8% Synergy
$3.70
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Cyclonic Rift0% Synergy
$40.33
Chrome Mox-2% Synergy
$166.10
Ancient Tomb-2% Synergy
$134.69
Fierce Guardianship-2% Synergy
$55.77
Mystical Tutor-3% Synergy
$16.23
The One Ring-5% Synergy
$105.64
Thassa's Oracle-5% Synergy
$22.79
Rhystic Study-18% Synergy
$70.04
Creatures
Essential creatures that complement K-9, Mark I's strategy through synergy, utility, or raw power.
Nezahal, Primal Tide+37% Synergy
$7.67
Teferi, Mage of Zhalfir+36% Synergy
$3.32
Eluge, the Shoreless Sea+31% Synergy
$5.05
The Blue Spirit+31% Synergy
$0.84
Kira, Great Glass-Spinner+30% Synergy
$4.95
Sun Quan, Lord of Wu+30% Synergy
$8.32
Malcolm, Alluring Scoundrel+28% Synergy
$2.28
Kairi, the Swirling Sky+28% Synergy
$0.95
Atemsis, All-Seeing+27% Synergy
$0.39
Adric, Mathematical Genius+26% Synergy
$0.33
Unctus, Grand Metatect+25% Synergy
$0.42
Piper Wright, Publick Reporter+23% Synergy
$0.36
Esior, Wardwing Familiar+23% Synergy
$0.68
Sakashima the Impostor+21% Synergy
$17.98
Baral, Chief of Compliance+20% Synergy
$2.71
Gadwick, the Wizened+19% Synergy
$0.73
Venser, Shaper Savant+18% Synergy
$1.08
The Mechanist, Aerial Artisan+18% Synergy
$0.26
The Peregrine Dynamo+17% Synergy
$2.70
Jin-Gitaxias, Progress Tyrant+17% Synergy
$9.65
Jin-Gitaxias+17% Synergy
$12.46
Emeritus of Ideation+16% Synergy
$5.24
Kiora, the Rising Tide+16% Synergy
$0.41
Ultimecia, Temporal Threat+15% Synergy
$0.72
Curie, Emergent Intelligence+14% Synergy
$0.43
Empress Galina+14% Synergy
$13.38
Thryx, the Sudden Storm+14% Synergy
$0.16
Lu Xun, Scholar General+12% Synergy
$0.34
Artificer's Assistant+12% Synergy
$0.22
Jill, Shiva's Dominant+11% Synergy
$0.38
Arcanis the Omnipotent+11% Synergy
$0.28
The Mindskinner+11% Synergy
$2.59
Vnwxt, Verbose Host+10% Synergy
$0.47
Osgood, Operation Double+10% Synergy
$0.23
Jhoira's Familiar+10% Synergy
$2.20
Lorthos, the Tidemaker+10% Synergy
$0.34
Forecasting Fortune Teller+10% Synergy
$0.12
Solemn Simulacrum+10% Synergy
$0.29
Hope of Ghirapur+9% Synergy
$3.26
Mockingbird+8% Synergy
$4.12
Tetsuko Umezawa, Fugitive+8% Synergy
$0.13
Sakashima of a Thousand Faces+6% Synergy
$35.07
Jin-Gitaxias, Core Augur+6% Synergy
$12.43
Urza, Lord High Artificer+5% Synergy
$16.23
Alandra, Sky Dreamer+3% Synergy
$9.18
Wan Shi Tong, Librarian+3% Synergy
$37.61
Talrand, Sky Summoner+2% Synergy
$1.19
Emry, Lurker of the Loch0% Synergy
$0.69
Phyrexian Metamorph-8% Synergy
$2.33
Laboratory Maniac-8% Synergy
$1.96
Instants
Key instant-speed responses for protection, removal, and keeping K-9, Mark I safe.
Desynchronization+24% Synergy
$5.08
Divergent Equation+18% Synergy
$0.22
Louisoix's Sacrifice+16% Synergy
$0.39
Glorious Gale+15% Synergy
$0.29
Reality Shift+13% Synergy
$0.33
Archmage's Charm+13% Synergy
$1.81
Frantic Search+10% Synergy
$1.36
Soothing of Sméagol+10% Synergy
$0.29
Lost Days+9% Synergy
$0.15
Bounce Off+9% Synergy
$0.26
Consider+9% Synergy
$0.29
Spell Pierce+9% Synergy
$0.22
Deduce+9% Synergy
$0.17
Wash Away+9% Synergy
$0.65
Dreadful as the Storm+8% Synergy
$0.14
Twiddle+7% Synergy
$0.54
Magic Damper+6% Synergy
$0.26
Stoic Rebuttal+6% Synergy
$0.32
Vault Skyward+6% Synergy
$0.06
Envelop+6% Synergy
$3.13
Phantom Interference+6% Synergy
$0.26
Secrets of the Key+6% Synergy
$0.21
Confirm Suspicions+6% Synergy
$0.27
Tale's End+6% Synergy
$2.19
Opt+6% Synergy
$0.23
Twisted Image+5% Synergy
$0.47
Theoretical Duplication+5% Synergy
$0.65
Sublime Epiphany+4% Synergy
$0.34
Mystic Confluence+4% Synergy
$1.02
Disallow+4% Synergy
$2.10
Cerulean Wisps+3% Synergy
$1.46
Dispel+2% Synergy
$0.37
Unsummon+2% Synergy
$0.07
Silundi Vision+1% Synergy
$0.45
Evacuation+1% Synergy
$0.36
Slip Out the Back+1% Synergy
$4.67
Cryptic Command+1% Synergy
$6.04
Shore Up+1% Synergy
$0.28
Negate+0% Synergy
$0.19
Into the Flood Maw0% Synergy
$2.66
March of Swirling Mist0% Synergy
$3.78
Arcane Denial-1% Synergy
$1.29
Rewind-3% Synergy
$0.40
Muddle the Mixture-3% Synergy
$2.37
Force of Negation-8% Synergy
$55.94
Mana Drain-8% Synergy
$56.71
Swan Song-11% Synergy
$9.71
Sorceries
Important sorcery spells that advance K-9, Mark I's game plan and control the board.
Birthday Escape+19% Synergy
$0.29
Preordain+18% Synergy
$0.58
Serum Visions+17% Synergy
$1.72
Lórien Revealed+16% Synergy
$4.82
Wisdom of Ages+15% Synergy
$0.31
Karn's Temporal Sundering+15% Synergy
$1.93
Will of the Temur+10% Synergy
$1.22
Void Snare+8% Synergy
$0.28
Ravenform+7% Synergy
$0.37
Hard Evidence+7% Synergy
$0.15
Time Stretch+7% Synergy
$4.89
Press for Answers+6% Synergy
$0.07
Horses of the Bruinen+6% Synergy
$0.19
Quasiduplicate+5% Synergy
$0.75
Traverse Eternity+5% Synergy
$0.39
Enter the Enigma+5% Synergy
$0.32
Careful Study+4% Synergy
$4.53
Devastation Tide+4% Synergy
$0.51
Ember Island Production+3% Synergy
$0.29
Irenicus's Vile Duplication+2% Synergy
$12.50
Quantum Misalignment+2% Synergy
$3.88
Enter the Infinite+2% Synergy
$6.26
Curse of the Swine-4% Synergy
$0.32
Windfall-6% Synergy
$4.91
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Champion's Helm+35% Synergy
$2.56
Blackblade Reforged+31% Synergy
$2.05
Excalibur, Sword of Eden+29% Synergy
$16.34
Helm of the Host+18% Synergy
$5.28
Mirror of Galadriel+17% Synergy
$0.23
Mithril Coat+16% Synergy
$31.44
The Key to the Vault+16% Synergy
$0.47
Mirror Box+14% Synergy
$5.17
Brotherhood Regalia+13% Synergy
$8.42
Swiftfoot Boots+11% Synergy
$1.89
Kefnet's Monument+11% Synergy
$0.37
Crown of Gondor+11% Synergy
$0.39
Colossus Hammer+10% Synergy
$1.90
Confession Dial+8% Synergy
$0.28
Commander's Plate+8% Synergy
$43.25
Thran Temporal Gateway+8% Synergy
$0.57
Candlestick+8% Synergy
$0.24
Magnifying Glass+8% Synergy
$0.18
Weatherlight+8% Synergy
$2.38
Quietus Spike+7% Synergy
$1.91
Wayfarer's Bauble+7% Synergy
$0.33
Sword of Feast and Famine+7% Synergy
$39.81
Sword of the Chosen+6% Synergy
$0.30
The Indomitable+6% Synergy
$1.27
Bessie, the Doctor's Roadster+6% Synergy
$0.33
Hero's Blade+6% Synergy
$0.28
Bloodforged Battle-Axe+5% Synergy
$2.31
Dragonfire Blade+5% Synergy
$1.42
Mjölnir, Storm Hammer+5% Synergy
$2.32
Tamiyo's Journal+5% Synergy
$3.05
Voltaic Key+5% Synergy
$3.81
Fire Nation Warship+5% Synergy
$0.18
Lavaspur Boots+4% Synergy
$1.46
Manifold Key+4% Synergy
$1.56
Waterbending Scroll+2% Synergy
$0.25
Sword of the Animist+1% Synergy
$6.76
Lightning Greaves-4% Synergy
$3.99
Enchantments
Powerful enchantments that support K-9, Mark I's strategy and create lasting battlefield effects.
Aqueous Form+27% Synergy
$0.37
Imprisoned in the Moon+18% Synergy
$0.32
Teferi's Ageless Insight+15% Synergy
$4.94
Retro-Mutation+13% Synergy
$0.14
Wizard Class+13% Synergy
$2.62
Curious Inquiry+12% Synergy
$0.25
Leyline of Singularity+10% Synergy
$4.44
Sleep Magic+10% Synergy
$0.14
Witness Protection+9% Synergy
$0.26
Case of the Filched Falcon+8% Synergy
$0.08
Ominous Seas+8% Synergy
$1.15
Ballad of the Black Flag+8% Synergy
$0.28
Curiosity+8% Synergy
$1.10
Scroll of Isildur+8% Synergy
$0.67
Storm of Saruman+7% Synergy
$3.30
Telepathy+6% Synergy
$0.90
Hold for Questioning+6% Synergy
$0.22
Thassa's Ire+6% Synergy
$0.11
Betrayal+6% Synergy
$0.31
Marit Lage's Slumber+6% Synergy
$0.67
Trail of Evidence+5% Synergy
$0.30
Curious Obsession+5% Synergy
$0.54
Crab Umbra+5% Synergy
$0.41
Aether Tunnel+5% Synergy
$0.69
Stormchaser's Talent+5% Synergy
$4.48
Omniscience+4% Synergy
$5.73
Copy Enchantment+4% Synergy
$1.90
Honest Work+4% Synergy
$0.23
Waterbender Ascension+2% Synergy
$0.77
Reconnaissance Mission+2% Synergy
$0.35
Coastal Piracy+1% Synergy
$0.28
Thopter Spy Network-1% Synergy
$0.42
Propaganda-2% Synergy
$2.25
Mystic Remora-6% Synergy
$12.68
Planeswalkers
Planeswalkers that work alongside K-9, Mark I to provide ongoing value and board presence.
Kaito, Cunning Infiltrator+12% Synergy
$1.70
Kasmina, Enigmatic Mentor+9% Synergy
$0.29
Mordenkainen+6% Synergy
$1.16
Teferi, Master of Time+4% Synergy
$8.34
Jace, the Mind Sculptor+3% Synergy
$17.88
Teferi, Temporal Pilgrim+3% Synergy
$4.75
Jace, Wielder of Mysteries-8% Synergy
$9.13
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Castle Vantress+22% Synergy
$0.36
Minamo, School at Water's Edge+20% Synergy
$61.51
Lonely Sandbar+17% Synergy
$0.31
Dark Depths+12% Synergy
$2.99
War Room+11% Synergy
$4.39
Seafarer's Quay+11% Synergy
$9.18
Hall of Storm Giants+8% Synergy
$0.49
Great Hall of the Citadel+8% Synergy
$0.36
Nykthos, Shrine to Nyx+7% Synergy
$53.44
Otawara, Soaring City+7% Synergy
$28.23
Tyrite Sanctum+7% Synergy
$3.04
Thespian's Stage+6% Synergy
$0.46
Labyrinth of Skophos+6% Synergy
$0.36
The Surgical Bay+5% Synergy
$0.25
Agna Qel'a+2% Synergy
$1.13
Mystic Sanctuary+1% Synergy
$1.02
Rogue's Passage0% Synergy
$0.40
Academy Ruins-1% Synergy
$9.62
Halimar Depths-2% Synergy
$0.39
Temple of the False God-2% Synergy
$0.31
Seat of the Synod-3% Synergy
$0.79
Mistrise Village-3% Synergy
$9.07
Reliquary Tower-5% Synergy
$4.10
Buried Ruin-5% Synergy
$0.38
Urza's Saga-5% Synergy
$43.18
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Relic of Legends+42% Synergy
$0.83
Patriar's Seal+37% Synergy
$5.04
Crystal Skull, Isu Spyglass+28% Synergy
$1.66
Midnight Clock+18% Synergy
$0.68
Throne of Eldraine+11% Synergy
$28.99
Mox Amber+10% Synergy
$76.31
The Irencrag+10% Synergy
$0.75
Nyx Lotus+7% Synergy
$5.33
Commander's Sphere+6% Synergy
$0.29
Five Hundred Year Diary+5% Synergy
$0.37
Springleaf Drum+3% Synergy
$0.37
Caged Sun+2% Synergy
$3.65
Sky Diamond+0% Synergy
$0.23
Decanter of Endless Water+0% Synergy
$4.57
Mox Opal-2% Synergy
$241.89
Thran Dynamo-3% Synergy
$4.81
Sol Ring-11% Synergy
$1.36
Mind Stone-12% Synergy
$0.32
Arcane Signet-15% Synergy
$0.44
Thought Vessel-15% Synergy
$2.52
Lands
The mana base foundation for K-9, Mark I decks, ensuring smooth and reliable mana development.
Plaza of Heroes+16% Synergy
$3.60
The Grey Havens+14% Synergy
$0.33
Myriad Landscape+1% Synergy
$0.30
Silundi Vision+1% Synergy
$0.45
Snow-Covered Island+1% Synergy
$1.28
Island-4% Synergy
$0.08
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
The Eleventh Doctor // K-9, Mark I
Shaun, Father of Synths
The Sixth Doctor // Peri Brown
The Sixth Doctor // Jamie McCrimmon
Jedit Ojanen, Mercenary
The Second Doctor // Jamie McCrimmon
The Twelfth Doctor // Jamie McCrimmon
The Fourteenth Doctor // Donna Noble
The Fourteenth Doctor // Rose Noble
The Fourteenth Doctor
The Sixth Doctor // Susan Foreman
The Fourteenth Doctor // Amy Pond
The Fourteenth Doctor // Jamie McCrimmon
Shanid, Sleepers' Scourge
The Sixth Doctor // Yasmin Khan
Kolvori, God of Kinship
Niambi, Esteemed Speaker
The Eighth Doctor // Graham O'Brien
The Fourteenth Doctor // Sarah Jane Smith
Kamahl, Heart of Krosa // Yoshimaru, Ever Faithful
The Fourteenth Doctor // Clara Oswald
The Sixth Doctor // Bill Potts
The Sixth Doctor // Clara Oswald
Bayek of Siwa
The Fourth Doctor // Peri Brown
The Sixth Doctor
The Tenth Doctor // Ace, Fearless Rebel
Nashi, Moon's Legacy
Bruse Tarl, Boorish Herder // Yoshimaru, Ever Faithful
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
The Eighth Doctor // Vislor Turlough
The Fourteenth Doctor // Graham O'Brien
The Fourteenth Doctor // Romana II
The Sixth Doctor // Romana II