| 44 | Kiora's Dismissal | Mathias Kollros | Blue | U | Journey into Nyx |
| 52 | Kiora's Follower | Eric Deschamps | Blue/Green | U | Duel Decks: Elspeth vs. Kiora |
| 150 | Kiora's Follower | Eric Deschamps | Blue/Green | U | Born of the Gods |
| 273 | Kiora's Follower | Eric Deschamps | Blue/Green | U | The Lost Caverns of Ixalan Commander |
| 40 | Kira, Great Glass-Spinner | Kev Walker | Blue | R | Betrayers of Kamigawa |
| 49 | Kira, Great Glass-Spinner | Kev Walker | Blue | R | Modern Masters |
| 154 | Kira, Great Glass-Spinner | Kev Walker | Blue | R | Jumpstart |
| Kird Ape | Ken Meyer, Jr. | Red | C | Beatdown Box Set |
| Kird Ape | Ken Meyer, Jr. | Red | C | Revised Edition |
| Kird Ape | Ken Meyer Jr. | Red | C | Arabian Nights |
| 2 | Kird Ape | Terese Nielsen | Red | U | Duel Decks: Ajani vs. Nicol Bolas |
| 6 | Kird Ape | Terese Nielsen | Red | M | From the Vault: Exiled |
| 137 | Kird Ape | Terese Nielsen | Red | C | Eternal Masters |
| 199 | Kird Ape | Terese Nielsen | Red | U | Ninth Edition |
| 151 | Kird Chieftain | Lars Grant-West | Red | U | Magic 2015 Core Set |
| 212 | Kirin-Touched Orochi | Sam Burley | Green | R | Kamigawa: Neon Dynasty |
| 360 | Kirin-Touched Orochi | アジュール/Azur | Green | R | Kamigawa: Neon Dynasty |
| 482 | Kirin-Touched Orochi | Sam Burley | Green | R | Kamigawa: Neon Dynasty |
| 43 | Kiri-Onna | Kensuke Okabayashi | Blue | U | Saviors of Kamigawa |
| 7 | Kirri, Talented Sprout | Simon Dominic | White/Red/Green | M | Outlaws of Thunder Junction Commander |
| 43 | Kirri, Talented Sprout | Simon Dominic | White/Red/Green | M | Outlaws of Thunder Junction Commander |
| 27 | Kirtar's Desire | Pete Venters | White | C | Odyssey |
| 14 | Kirtar's Wrath | Kev Walker | White | R | Commander Anthology |
| 15 | Kirtar's Wrath | Kev Walker | White | R | Commander 2013 Edition |
| 28 | Kirtar's Wrath | Kev Walker | White | R | Odyssey |
| 35 | Kirtar's Wrath | Kev Walker | White | U | Commander Masters |
| 91 | Kirtar's Wrath | Kev Walker | White | R | Innistrad: Crimson Vow Commander |
| Kismet | Kaja Foglio | White | U | Fifth Edition |
| Kismet | Kaja Foglio | White | U | Fourth Edition |
| Kismet | Kaja Foglio | White | U | Legends |
| 17 | Kismet | Kaja Foglio | White | R | Masters Edition IV |
| 27 | Kismet | Kaja Foglio | White | U | Classic Sixth Edition |
| Kiss of Death | Melissa A. Benson | Black | U | Portal Second Age |
| 177 | Kiss of the Amesha | Todd Lockwood | White/Blue | U | Shards of Alara |
| 225 | Kiss of the Amesha | Todd Lockwood | White/Blue | U | Battlebond |
| 17 | Kitchen | Arthur Yuan | | U | Ravnica Clue Edition |
| 27 | Kitchen Finks | Kev Walker | White/Green | S | Ultimate Box Toppers |
| 85 | Kitchen Finks | Kev Walker | White/Green | U | Mystery Booster 2: Convention Edition |
| 190 | Kitchen Finks | Kev Walker | White/Green | U | Modern Masters |
| 216 | Kitchen Finks | Kev Walker | White/Green | U | Ultimate Masters |
| 229 | Kitchen Finks | Kev Walker | White/Green | U | Shadowmoor |
| 89 | Kitchen Imp | Evyn Fong | Black | C | Modern Horizons 2 |
| 343 | Kitchen Imp | Evyn Fong | Black | C | Modern Horizons 2 |
| 210 | Kite Shield | Jim Pavelec | | U | Magic 2012 |
| 126 | Kitesail | Cyril Van Der Haegen | | C | Worldwake |
| 208 | Kitesail | Cyril Van Der Haegen | | U | Magic 2013 |
| 212 | Kitesail | Cyril Van Der Haegen | | C | Conspiracy: Take the Crown |
| 218 | Kitesail | Cyril Van Der Haegen | | C | Modern Masters 2015 Edition |
| 261 | Kitesail | Ben Hill | | C | March of the Machine |
| 781 | Kitesail | Cyril Van Der Haegen | | C | Jumpstart 2022 |
| 10 | Kitesail Apprentice | Austin Hsu | White | C | Worldwake |
| 12 | Kitesail Apprentice | Austin Hsu | White | C | Game Night: Free-For-All |
| 20 | Kitesail Cleric | PINDURSKI | White | U | Zendikar Rising |
| 41 | Kitesail Corsair | Greg Opalinski | Blue | C | Rivals of Ixalan |
| 76 | Kitesail Corsair | Greg Opalinski | Blue | C | Commander Legends |
| 120 | Kitesail Corsair | Greg Opalinski | Blue | C | Battlebond |
| 155 | Kitesail Corsair | Greg Opalinski | Blue | C | Jumpstart |
| 510 | Kitesail Corsair | Greg Opalinski | Blue | C | Magic: The Gathering Foundations |
| 107 | Kitesail Freebooter | Dan Scott | Black | U | Core Set 2021 |
| 110 | Kitesail Freebooter | Dan Scott | Black | U | Ixalan |
| 61 | Kitesail Larcenist | Sidharth Chaturvedi | Blue | R | The Lost Caverns of Ixalan |
| 364 | Kitesail Larcenist | Sidharth Chaturvedi | Blue | R | The Lost Caverns of Ixalan |
| 33 | Kitesail Scout | Dan Scott | White | C | Battle for Zendikar |
| 77 | Kitesail Skirmisher | Sidharth Chaturvedi | Blue | C | Commander Legends |
| Kithkin Armor | Charles Gillespie | White | C | Weatherlight |
| 24 | Kithkin Billyrider | Zara Alfonso | White | C | March of the Machine |
| 223 | Kithkin Daggerdare | Christopher Moeller | Green | C | Lorwyn |
| 21 | Kithkin Greatheart | Greg Staples | White | C | Modern Masters |
| 25 | Kithkin Greatheart | Greg Staples | White | C | Lorwyn |
| 26 | Kithkin Harbinger | Steve Prescott | White | U | Lorwyn |
| 27 | Kithkin Healer | Rebecca Guay | White | C | Lorwyn |
| 224 | Kithkin Mourncaller | Dominick Domingo | Green | U | Lorwyn |
| 9 | Kithkin Rabble | Omar Rayyan | White | U | Shadowmoor |
| 10 | Kithkin Shielddare | Christopher Moeller | White | C | Shadowmoor |
| 8 | Kithkin Spellduster | Trevor Hairsine | White | C | Eventide |
| 9 | Kithkin Zealot | Scott Altmann | White | C | Eventide |
| 16 | Kithkin Zephyrnaut | Quinton Hoover & Val Mayerik | White | C | Morningtide |
| 53 | Kitnap | Irina Nordsol | Blue | R | Bloomburrow |
| 357 | Kitnap | Irina Nordsol | Blue | R | Bloomburrow |
| 54 | Kitsa, Otterball Elite | Zoltan Boros | Blue | M | Bloomburrow |
| 304 | Kitsa, Otterball Elite | David Petersen | Blue | M | Bloomburrow |
| 22 | Kitsune Ace | Joseph Weston | White | C | Kamigawa: Neon Dynasty |
| 204 | Kitsune Ace | Joseph Weston | White | C | Jumpstart 2022 |
| 25 | Kitsune Blademaster | Keith Garletts | White | C | Champions of Kamigawa |
| 15 | Kitsune Bonesetter | Heather Hudson | White | C | Saviors of Kamigawa |
| 16 | Kitsune Dawnblade | Carl Critchlow | White | C | Saviors of Kamigawa |
| 26 | Kitsune Diviner | Pete Venters | White | C | Champions of Kamigawa |
| 27 | Kitsune Healer | Michael Sutfin | White | C | Champions of Kamigawa |
| 17 | Kitsune Loreweaver | Eric Polak | White | C | Saviors of Kamigawa |
| 28 | Kitsune Mystic | Jim Murray | White | R | Champions of Kamigawa |
| 14 | Kitsune Palliator | Dave Dorman | White | U | Betrayers of Kamigawa |
| 29 | Kitsune Riftwalker | Pete Venters | White | C | Champions of Kamigawa |
| 4 | Kitt Kanto, Mayhem Diva | Fariba Khamseh | White/Red/Green | M | Streets of New Capenna Commander |
| 104 | Kitt Kanto, Mayhem Diva | Fariba Khamseh | White/Red/Green | M | Streets of New Capenna Commander |
| 189 | Kitt Kanto, Mayhem Diva | Fariba Khamseh | White/Red/Green | M | Streets of New Capenna Commander |
| 18 | Kiyomaro, First to Stand | Kev Walker | White | R | Saviors of Kamigawa |
| Kjeldoran Dead | Melissa A. Benson | Black | C | Fifth Edition |
| Kjeldoran Dead | Melissa Benson | Black | C | Ice Age |
| 98 | Kjeldoran Dead | Melissa A. Benson | Black | C | Masters Edition II |
| 140 | Kjeldoran Dead | Melissa A. Benson | Black | C | Classic Sixth Edition |
| Kjeldoran Elite Guard | Melissa Benson | White | U | Ice Age |
| 21 | Kjeldoran Elite Guard | Melissa A. Benson | White | C | Masters Edition II |
| Kjeldoran Escort | Bryon Wackwitz | White | C | Alliances |
| Kjeldoran Escort | Bryon Wackwitz | White | C | Alliances |
| Kjeldoran Frostbeast | Mark Poole | White/Green | U | Ice Age |
| 156 | Kjeldoran Frostbeast | Mark Poole | White/Green | U | Masters Edition III |
| 10 | Kjeldoran Gargoyle | Marcelo Vignali | White | U | Coldsnap |
| 11 | Kjeldoran Gargoyle | Marcelo Vignali | White | C | Dominaria Remastered |
| Kjeldoran Guard | Anthony Waters | White | C | Ice Age |
| Kjeldoran Home Guard | Andi Rusu | White | U | Alliances |
| 22 | Kjeldoran Home Guard | Andi Rusu | White | U | Masters Edition II |
| 11 | Kjeldoran Javelineer | Dave Dorman | White | C | Coldsnap |
| Kjeldoran Knight | Ron Spencer | White | R | Ice Age |
| Kjeldoran Outpost | Jeff A. Menges | | R | Alliances |
| 233 | Kjeldoran Outpost | Jeff A. Menges | | R | Masters Edition II |
| 301 | Kjeldoran Outpost | Noah Bradley | | R | Vintage Masters |
| 12 | Kjeldoran Outrider | Carl Critchlow | White | C | Coldsnap |
| Kjeldoran Phalanx | Richard Kane Ferguson | White | R | Ice Age |
| Kjeldoran Pride | Kaja Foglio | White | C | Alliances |
| Kjeldoran Pride | Kaja Foglio | White | C | Alliances |
| Kjeldoran Royal Guard | L. A. Williams | White | R | Fifth Edition |
| Kjeldoran Royal Guard | L. A. Williams | White | R | Ice Age |
| 23 | Kjeldoran Royal Guard | Carl Critchlow | White | R | Seventh Edition |
| 25 | Kjeldoran Royal Guard | Carl Critchlow | White | R | Tenth Edition |
| 28 | Kjeldoran Royal Guard | L. A. Williams | White | R | Classic Sixth Edition |
| Kjeldoran Skycaptain | Mark Poole | White | U | Fifth Edition |
| Kjeldoran Skycaptain | Mark Poole | White | U | Ice Age |
| 23 | Kjeldoran Skycaptain | Mark Poole | White | C | Masters Edition II |
| Kjeldoran Skyknight | Mark Poole | White | C | Ice Age |
| 13 | Kjeldoran War Cry | Michael Phillippi | White | C | Coldsnap |
| Kjeldoran Warrior | Mark Poole | White | C | Ice Age |
| 50 | Klauth, Unrivaled Ancient | Andrew Mar | Red/Green | M | Adventures in the Forgotten Realms Commander |
| 320 | Klauth, Unrivaled Ancient | Andrew Mar | Red/Green | M | Adventures in the Forgotten Realms Commander |
| 51 | Klauth's Will | Olivier Bernard | Red/Green | R | Adventures in the Forgotten Realms Commander |
| 321 | Klauth's Will | Olivier Bernard | Red/Green | R | Adventures in the Forgotten Realms Commander |
| 220 | Klothys, God of Destiny | Magali Villeneuve | Red/Green | M | Theros Beyond Death |
| 176 | Klothys's Design | Lie Setiawan | Green | U | Theros Beyond Death |
| 42 | Knacksaw Clique | Steven Belledin | Blue | R | Shadowmoor |
| 18 | Knickknack Ouphe | Iris Compiet | Green | R | Wilds of Eldraine Commander |
| 54 | Knickknack Ouphe | Iris Compiet | Green | R | Wilds of Eldraine Commander |
| 10 | Knife | Clint Lockwood | Red | U | Ravnica Clue Edition |
| 134 | Knife | Tony Foti | Red | U | Murders at Karlov Manor |
| 77 | Knife and Death | Caio Monteiro | Black | R | Unfinity (Acorn) |
| Knight Errant | Dan Frazier | White | C | Starter 2000 |
| Knight Errant | Dan Frazier | White | C | Portal |
| 19 | Knight Errant | Dan Frazier | White | C | Starter 1999 |
| 24 | Knight Errant | Matthew D. Wilson | White | C | Seventh Edition |
| 14 | Knight Exemplar | Jason Chan | White | R | Duel Decks: Knights vs. Dragons |
| 20 | Knight Exemplar | Jason Chan | White | R | Magic 2011 |
| 192 | Knight Exemplar | Jason Chan | White | R | March of the Machine Commander |
| 17 | Knight in ________ Armor | Sam Hogg | White | U | Unfinity (Acorn) |
| 183 | Knight of Autumn | Ryan Pancoast | White/Green | R | Guilds of Ravnica |
| 187 | Knight of Autumn | Ryan Pancoast | White/Green | R | Adventures in the Forgotten Realms Commander |
| 4 | Knight of Cliffhaven | Matt Cavotta | White | C | Duel Decks: Knights vs. Dragons |
| 5 | Knight of Cliffhaven | Matt Cavotta | White | C | Duel Decks: Zendikar vs. Eldrazi |
| 29 | Knight of Cliffhaven | Matt Cavotta | White | C | Rise of the Eldrazi |
| Knight of Dawn | Ron Spencer | White | U | Tempest |
| 23 | Knight of Dawn's Light | Billy Christian | White | U | Dominaria United |
| 19 | Knight of Doves | Volkan Baga | White | U | Wilds of Eldraine |
| Knight of Dusk | Ron Spencer | Black | U | Tempest |
| 152 | Knight of Dusk | rk post | Black | U | Tenth Edition |
| 96 | Knight of Dusk's Shadow | Wisnu Tan | Black | U | Dominaria United |
| 21 | Knight of Glory | Peter Mohrbacher | White | U | Magic 2013 |
| 23 | Knight of Grace | Sidharth Chaturvedi | White | U | Dominaria |
| 576 | Knight of Grace | Sidharth Chaturvedi | White | U | Magic: The Gathering Foundations |
| 96 | Knight of Infamy | Peter Mohrbacher | Black | U | Magic 2013 |
| 518 | Knight of Lost Causes (playtest) | Sandy Lee | White | R | Mystery Booster 2: Convention Edition |
| 97 | Knight of Malice | Sidharth Chaturvedi | Black | U | Dominaria |
| 608 | Knight of Malice | Sidharth Chaturvedi | Black | U | Magic: The Gathering Foundations |
| 5 | Knight of Meadowgrain | Larry MacDougall | White | U | Duel Decks: Knights vs. Dragons |
| 28 | Knight of Meadowgrain | Larry MacDougall | White | U | Lorwyn |
| 70 | Knight of New Alara | Chris Rahn | White/Green | R | Alara Reborn |
| 156 | Knight of New Alara | Chris Rahn | White/Green | R | Dominaria United Commander |
| 24 | Knight of New Benalia | Josu Hernaiz | White | C | Dominaria |
| 18 | Knight of Obligation | Ryan Barger | White | U | Gatecrash |
| 17 | Knight of Old Benalia | Dan Scott | White | C | Modern Horizons |
| 14 | Knight of Sorrows | Zezhou Chen | White | C | Ravnica Allegiance |
| Knight of Stromgald | Mark Poole | Black | U | Fifth Edition |
| Knight of Stromgald | Mark Poole | Black | U | Ice Age |
| 99 | Knight of Stromgald | Mark Poole | Black | U | Masters Edition II |
| 10 | Knight of Sursi | Cyril Van Der Haegen | White | C | Future Sight |
| 22 | Knight of Sursi | Cyril Van Der Haegen | White | C | Time Spiral Remastered |