| 18 | Karona's Zealot | Alan Pollack | White | U | Masters 25 |
| 18 | Karona's Zealot | Alan Pollack | White | U | Scourge |
| Karoo | Zina Saunders | | U | Visions |
| 303 | Karoo | Zina Saunders | | U | Commander 2014 |
| Karoo Meerkat | Janine Johnston | Green | U | Mirage |
| Karplusan Forest | Randy Gallegos | | R | Fifth Edition |
| Karplusan Forest | Nicola Leonard | | R | Ice Age |
| 250 | Karplusan Forest | Sam Burley | | R | Dominaria United |
| 305 | Karplusan Forest | John Avon | | R | Commander 2016 |
| 314 | Karplusan Forest | Sam Burley | | R | Bloomburrow Commander |
| 321 | Karplusan Forest | John Avon | | R | Ninth Edition |
| 326 | Karplusan Forest | Randy Gallegos | | R | Classic Sixth Edition |
| 336 | Karplusan Forest | Scott Bailey | | R | Seventh Edition |
| 351 | Karplusan Forest | Sam Burley | | R | Modern Horizons 3 Commander |
| 354 | Karplusan Forest | John Avon | | R | Tenth Edition |
| 379 | Karplusan Forest | Randy Gallegos | | R | Dominaria United |
| Karplusan Giant | Daniel Gelon | Red | U | Ice Age |
| 133 | Karplusan Giant | Daniel Gelon | Red | U | Masters Edition II |
| 277 | Karplusan Hound | Viktor Titov | Red | U | Dominaria |
| 86 | Karplusan Minotaur | Wayne England | Red | R | Coldsnap |
| 112 | Karplusan Strider | Dan Scott | Green | U | Coldsnap |
| 145 | Karplusan Strider | Dan Scott | Green | U | Modern Masters 2015 Edition |
| 272 | Karplusan Strider | Dan Scott | Green | U | Tenth Edition |
| 87 | Karplusan Wolverine | Greg Hildebrandt | Red | C | Coldsnap |
| Karplusan Yeti | Quinton Hoover | Red | R | Ice Age |
| 198 | Karplusan Yeti | Wayne England | Red | R | Ninth Edition |
| 117 | Karrthus, Tyrant of Jund | Dave Kendall | Black/Red/Green | M | Alara Reborn |
| 205 | Karrthus, Tyrant of Jund | Dave Kendall | Black/Red/Green | M | Double Masters |
| 77 | Karstoderm | Tony Szczudlo | Green | U | Darksteel |
| 150 | Karsus Depthguard | Tyler Jacobson | Red | C | March of the Machine |
| 98 | Karumonix, the Rat King | Helge C. Balzer | Black | R | Phyrexia: All Will Be One |
| 282 | Karumonix, the Rat King | Jason A. Engle | Black | R | Phyrexia: All Will Be One |
| 307 | Karumonix, the Rat King | Flavio Girón | Black | R | Phyrexia: All Will Be One |
| 106 | Karvanista, Loyal Lupari | Erion Makuo | Green | R | Doctor Who Commander |
| 47 | Kaseto, Orochi Archmage | Aaron Miller | Blue/Green | M | Commander 2015 |
| 221 | Kaseto, Orochi Archmage | Aaron Miller | Blue/Green | M | Commander 2021 |
| 135 | Kashi-Tribe Elite | Ben Thompson | Green | U | Saviors of Kamigawa |
| 220 | Kashi-Tribe Reaver | Anthony S. Waters | Green | U | Champions of Kamigawa |
| 221 | Kashi-Tribe Warriors | Stephen Tappin | Green | C | Champions of Kamigawa |
| Kasimir the Lone Wolf | Richard Kane Ferguson | White/Blue | U | Legends |
| 4 | Kasla, the Broken Halo | Martina Fačková | White/Blue/Red | M | March of the Machine Commander |
| 92 | Kasla, the Broken Halo | Martina Fačková | White/Blue/Red | M | March of the Machine Commander |
| 137 | Kasla, the Broken Halo | Martina Fačková | White/Blue/Red | M | March of the Machine Commander |
| 197 | Kaslem's Stonetree | Victor Adame Minguez | Green | C | The Lost Caverns of Ixalan |
| 197 | Kaslem's Strider | Victor Adame Minguez | Green | C | The Lost Caverns of Ixalan |
| 196 | Kasmina, Enigma Sage | Tyler Jacobson | Blue/Green | M | Strixhaven: School of Mages |
| 279 | Kasmina, Enigma Sage | Ryan Pancoast | Blue/Green | M | Strixhaven: School of Mages |
| 56 | Kasmina, Enigmatic Mentor | Magali Villeneuve | Blue | U | War of the Spark |
| 60 | Kasmina, Enigmatic Mentor | 在由子/AYUKO | Blue | U | Jumpstart 2022 |
| 46 | Kasmina's Transmutation | Uriah Voth | Blue | C | Ravnica Remastered |
| 54 | Kasmina's Transmutation | Uriah Voth | Blue | C | Double Masters 2022 |
| 57 | Kasmina's Transmutation | Uriah Voth | Blue | C | War of the Spark |
| 59 | Kassandra, Eagle Bearer | Anna Steinbauer | White/Red | M | Assassin's Creed |
| 148 | Kassandra, Eagle Bearer | Jessie Lam | White/Red | M | Assassin's Creed |
| 240 | Kassandra, Eagle Bearer | Anna Steinbauer | White/Red | M | Assassin's Creed |
| 221 | Kastral, the Windcrested | Jesper Ejsing | White/Blue | R | Bloomburrow |
| 335 | Kastral, the Windcrested | Chuck Grieb | White/Blue | R | Bloomburrow |
| 350 | Kastral, the Windcrested | 乃希/noki | White/Blue | R | Bloomburrow |
| Katabatic Winds | Gary Gianni | Green | R | Visions |
| 14 | Kataki, War's Wage | Matt Thompson | White | R | Saviors of Kamigawa |
| 20 | Kataki, War's Wage | Matt Thompson | White | R | Modern Masters |
| 24 | Kataki, War's Wage | Matt Thompson | White | R | Modern Event Deck 2014 |
| 148 | Kataki, War's Wage | Matt Thompson | White | R | Mystery Booster 2: Convention Edition |
| 139 | Kate Stewart | Thanh Tuan | White/Blue/Red | R | Doctor Who Commander |
| 422 | Kate Stewart | Thanh Tuan | White/Blue/Red | R | Doctor Who Commander |
| 11 | Kathari Bomber | Carl Critchlow | Black/Red | C | Duel Decks: Speed vs. Cunning |
| 41 | Kathari Bomber | Carl Critchlow | Black/Red | C | Alara Reborn |
| 172 | Kathari Bomber | Carl Critchlow | Black/Red | C | Modern Masters 2017 Edition |
| 23 | Kathari Remnant | Anthony S. Waters | Blue/Black | U | Alara Reborn |
| 98 | Kathari Remnant | Anthony S. Waters | Blue/Black | U | Planechase Anthology |
| 98 | Kathari Remnant | Anthony S. Waters | Blue/Black | U | Planechase 2012 Edition |
| 47 | Kathari Screecher | Pete Venters | Blue | C | Shards of Alara |
| 10 | Kathril, Aspect Warper | Mathias Kollros | White/Black/Green | M | Ikoria Commander |
| 446 | Katilda and Lier | Justyna Dura | White/Blue/Green | M | March of the Machine Commander |
| 449 | Katilda and Lier | Sami Makkonen | White/Blue/Green | M | March of the Machine Commander |
| 21 | Katilda, Dawnhart Martyr | Manuel Castañón | White | R | Innistrad: Crimson Vow |
| 317 | Katilda, Dawnhart Martyr | Joao Ruas | White | R | Innistrad: Crimson Vow |
| 230 | Katilda, Dawnhart Prime | Bryan Sola | White/Green | R | Innistrad: Midnight Hunt |
| 21 | Katilda's Rising Dawn | Manuel Castañón | White | R | Innistrad: Crimson Vow |
| 317 | Katilda's Rising Dawn | Joao Ruas | White | R | Innistrad: Crimson Vow |
| 15 | Katsumasa, the Animator | Heonhwa Choe | Blue | R | Kamigawa: Neon Dynasty Commander |
| 51 | Katsumasa, the Animator | Heonhwa Choe | Blue | R | Kamigawa: Neon Dynasty Commander |
| 1 | Kaust, Eyes of the Glade | Volkan Baga | White/Red/Green | M | Murders at Karlov Manor Commander |
| 314 | Kaust, Eyes of the Glade | Volkan Baga | White/Red/Green | M | Murders at Karlov Manor Commander |
| 148 | Kavu Aggressor | Christopher Moeller | Red | C | Invasion |
| 191 | Kavu Chameleon | John Howe | Green | U | Invasion |
| 175 | Kavu Climber | Jonathan Kuo | Green | C | Masters 25 |
| 192 | Kavu Climber | Rob Alexander | Green | C | Invasion |
| 249 | Kavu Climber | Rob Alexander | Green | C | Ninth Edition |
| 273 | Kavu Climber | Rob Alexander | Green | C | Tenth Edition |
| 64 | Kavu Glider | Heather Hudson | Red | C | Apocalypse |
| 79 | Kavu Howler | Wayne England | Green | U | Apocalypse |
| 193 | Kavu Lair | Chippy | Green | R | Invasion |
| 80 | Kavu Mauler | Daren Bader | Green | R | Apocalypse |
| 149 | Kavu Monarch | Terese Nielsen | Red | R | Invasion |
| 46 | Kavu Predator | Dan Scott | Green | U | Duel Decks: Heroes vs. Monsters |
| 132 | Kavu Predator | Dan Scott | Green | U | Planar Chaos |
| 176 | Kavu Predator | Dan Scott | Green | U | Masters 25 |
| 128 | Kavu Primarch | Kev Walker | Green | C | Future Sight |
| 146 | Kavu Primarch | Kev Walker | Green | C | Modern Masters 2015 Edition |
| 167 | Kavu Primarch | Kev Walker | Green | C | Dominaria Remastered |
| 212 | Kavu Primarch | Kev Walker | Green | C | Time Spiral Remastered |
| 64 | Kavu Recluse | Aaron Boyd | Red | C | Planeshift |
| 150 | Kavu Runner | Douglas Shuler | Red | U | Invasion |
| 151 | Kavu Scout | DiTerlizzi | Red | C | Invasion |
| 194 | Kavu Titan | Todd Lockwood | Green | R | Invasion |
| 218 | Kaya the Inexorable | Tyler Jacobson | White/Black | M | Kaldheim |
| 288 | Kaya the Inexorable | Livia Prima | White/Black | M | Kaldheim |
| 231 | Kaya, Bane of the Dead | Magali Villeneuve | White/Black | U | War of the Spark |
| 240 | Kaya, Geist Hunter | Ryan Pancoast | White/Black | M | Innistrad: Crimson Vow |
| 280 | Kaya, Geist Hunter | Raymond Swanland | White/Black | M | Innistrad: Crimson Vow |
| 75 | Kaya, Ghost Assassin | Chris Rallis | White/Black | M | Conspiracy: Take the Crown |
| 222 | Kaya, Ghost Assassin | Chris Rallis | White/Black | M | Conspiracy: Take the Crown |
| 247 | Kaya, Ghost Assassin | Dani Pendergast | White/Black | M | Secret Lair Drop |
| 94 | Kaya, Ghost Haunter (playtest) | Sydney Adams | White/Black | C | Mystery Booster |
| 205 | Kaya, Intangible Slayer | Marta Nael | White/Black | R | Phyrexia: All Will Be One |
| 341 | Kaya, Intangible Slayer | 古海鐘一/Showichi Furumi | White/Black | R | Phyrexia: All Will Be One |
| 8 | Kaya, Orzhov Usurper | Chris Rallis | White/Black | M | Ravnica Allegiance Mythic Edition |
| 186 | Kaya, Orzhov Usurper | Yongjae Choi | White/Black | M | Ravnica Allegiance |
| 194 | Kaya, Orzhov Usurper | Yongjae Choi | White/Black | R | Ravnica Remastered |
| 211 | Kaya, Spirits' Justice | Magali Villeneuve | White/Black | M | Murders at Karlov Manor |
| 335 | Kaya, Spirits' Justice | Fay Dalton | White/Black | M | Murders at Karlov Manor |
| 94 | Kaya's Ghostform | Johan Grenier | Black | C | War of the Spark |
| 205 | Kaya's Guile | Jason Rainville | White/Black | R | Modern Horizons |
| 18 | Kaya's Onslaught | Daarken | White | U | Kaldheim |
| 155 | Kaya's Wrath | Victor Adame Minguez | White/Black | R | Dominaria United Commander |
| 187 | Kaya's Wrath | Victor Adame Minguez | White/Black | R | Ravnica Allegiance |
| 9 | Kayla's Command | Dominik Mayer | White | R | The Brothers' War |
| 302 | Kayla's Command | Dominik Mayer | White | R | The Brothers' War |
| 15 | Kayla's Music Box | Aaron Miller | | R | The Brothers' War Commander |
| 62 | Kayla's Music Box | Aaron Miller | | R | The Brothers' War Commander |
| 10 | Kayla's Reconstruction | Nicholas Elias | White | R | The Brothers' War |
| 303 | Kayla's Reconstruction | Nicholas Elias | White | R | The Brothers' War |
| Kaysa | Rebecca Guay | Green | R | Alliances |
| 170 | Kaysa | Rebecca Guay | Green | R | Masters Edition II |
| 225 | Kaza, Roil Chaser | Ekaterina Burmak | Blue/Red | R | Zendikar Rising |
| 232 | Kaza, Roil Chaser | Ekaterina Burmak | Blue/Red | R | Outlaws of Thunder Junction Commander |
| 367 | Kaza, Roil Chaser | Ekaterina Burmak | Blue/Red | R | Zendikar Rising |
| 16 | Kazandu Blademaster | Michael Komarck | White | U | Zendikar |
| 189 | Kazandu Mammoth | Grzegorz Rutkowski | Green | R | Zendikar Rising |
| 305 | Kazandu Mammoth | Finnian MacManus | Green | R | Zendikar Rising |
| 190 | Kazandu Nectarpot | Simon Dominic | Green | C | Zendikar Rising |
| 306 | Kazandu Nectarpot | Daniel Lieske | Green | C | Zendikar Rising |
| 35 | Kazandu Refuge | Franz Vohwinkel | | U | Duel Decks: Ajani vs. Nicol Bolas |
| 71 | Kazandu Refuge | Franz Vohwinkel | | U | Duel Decks: Heroes vs. Monsters |
| 121 | Kazandu Refuge | Franz Vohwinkel | | U | Planechase Anthology |
| 121 | Kazandu Refuge | Franz Vohwinkel | | U | Planechase 2012 Edition |
| 126 | Kazandu Refuge | Franz Vohwinkel | | U | Archenemy |
| 217 | Kazandu Refuge | Franz Vohwinkel | | U | Zendikar |
| 256 | Kazandu Refuge | Franz Vohwinkel | | U | Commander 2019 |
| 261 | Kazandu Refuge | Franz Vohwinkel | | U | Commander 2018 |
| 280 | Kazandu Refuge | Franz Vohwinkel | | U | Magic: The Gathering-Commander |
| 301 | Kazandu Refuge | Franz Vohwinkel | | U | Commander 2013 Edition |
| 191 | Kazandu Stomper | Sam Rowan | Green | C | Zendikar Rising |
| 121 | Kazandu Tuskcaller | Mike Bierek | Green | R | Commander Anthology |
| 152 | Kazandu Tuskcaller | Mike Bierek | Green | R | Commander 2013 Edition |
| 191 | Kazandu Tuskcaller | Mike Bierek | Green | R | Rise of the Eldrazi |
| 196 | Kazandu Tuskcaller | Mike Bierek | Green | R | Commander 2021 |
| 189 | Kazandu Valley | Grzegorz Rutkowski | | R | Zendikar Rising |
| 305 | Kazandu Valley | Finnian MacManus | | R | Zendikar Rising |
| 96 | Kazarov, Sengir Pureblood | Igor Kieryluk | Black | R | Dominaria |
| 134 | Kazuul Warlord | Kev Walker | Red | R | Zendikar |
| 84 | Kazuul, Tyrant of the Cliffs | Paul Bonner | Red | R | Worldwake |
| 130 | Kazuul, Tyrant of the Cliffs | Paul Bonner | Red | R | Commander 2016 |
| 157 | Kazuul, Tyrant of the Cliffs | Paul Bonner | Red | R | Murders at Karlov Manor Commander |
| 237 | Kazuul, Tyrant of the Cliffs | Paul Bonner | Red | U | Commander Masters |
| 270 | Kazuul, Tyrant of the Cliffs | Paul Bonner | Red | R | Streets of New Capenna Commander |
| 800 | Kazuul, Tyrant of the Cliffs | Paul Bonner | Red | R | Commander Legends: Battle for Baldur's Gate |
| 146 | Kazuul's Cliffs | Karl Kopinski | | U | Zendikar Rising |
| 146 | Kazuul's Fury | Karl Kopinski | Red | U | Zendikar Rising |
| 112 | Kazuul's Toll Collector | Greg Staples | Red | U | Oath of the Gatewatch |
| 133 | Kazuul's Toll Collector | Greg Staples | Red | C | Double Masters |
| 176 | Kederekt Creeper | Mark Hyzer | Blue/Black/Red | C | Shards of Alara |
| 48 | Kederekt Leviathan | Mark Hyzer | Blue | R | Shards of Alara |
| 55 | Kederekt Leviathan | Mark Hyzer | Blue | R | Double Masters 2022 |
| 431 | Kederekt Leviathan | Mark Hyzer | Blue | R | Double Masters 2022 |
| 48 | Kederekt Parasite | Dan Scott | Black | R | Conflux |
| 144 | Kederekt Parasite | Dan Murayama Scott | Black | R | Duskmourn: House of Horror Commander |
| 188 | Kediss, Emberclaw Familiar | Jesper Ejsing | Red | U | Commander Legends |
| 573 | Kediss, Emberclaw Familiar | Jesper Ejsing | Red | U | Commander Legends |
| 42 | Keen Duelist | Lindsey Look | Black | R | Commander 2021 |
| 369 | Keen Duelist | Lindsey Look | Black | R | Commander 2021 |
| 54 | Keen Glidemaster | Caroline Gariba | Blue | C | Core Set 2021 |
| 152 | Keen Sense | Jim Nelson | Green | U | Planar Chaos |
| 213 | Keen Sense | Jim Nelson | Green | U | Time Spiral Remastered |
| 22 | Keen-Eared Sentry | Viko Menezes | White | U | Adventures in the Forgotten Realms |
| 41 | Keeneye Aven | Greg Hildebrandt | Blue | C | Legions |
| 75 | Keeneye Aven | Greg Hildebrandt | Blue | C | Vintage Masters |
| Keen-Eyed Archers | Alan Rabinowitz | White | C | Portal |
| 181 | Keen-Eyed Curator | PINDURSKI | Green | R | Bloomburrow |
| 322 | Keen-Eyed Curator | Mariah Tekulve | Green | R | Bloomburrow |
| 279 | Keen-Eyed Raven | Alexandre Honoré | White | U | Assassin's Creed |
| 12 | Keening Apparition | Terese Nielsen | White | C | Return to Ravnica |
| 21 | Keening Apparition | Tran Nguyen | White | C | Ravnica Remastered |
| 31 | Keening Banshee | Robert Bliss | Black | U | Guild Kit: Orzhov |
| 44 | Keening Banshee | Robert Bliss | Black | U | Duel Decks Anthology, Garruk vs. Liliana |
| 44 | Keening Banshee | Robert Bliss | Black | U | Duel Decks: Garruk vs. Liliana |
| 92 | Keening Banshee | Robert Bliss | Black | U | Ravnica: City of Guilds |
| 26 | Keening Stone | Jung Park | | R | The Brothers' War Retro Artifacts |
| 89 | Keening Stone | Warren Mahy | | R | The Brothers' War Retro Artifacts |
| 219 | Keening Stone | Jung Park | | R | Rise of the Eldrazi |
| 259 | Keening Stone | Jung Park | | R | Commander 2016 |