| Kagha, Shadow ArchdruidAlchemy Horizons: Baldur's Gate · 236 | Alchemy Horizons: Baldur's Gate | 236 | Uncommon | — |
| Kaho, Minamo HistorianCommander Masters · 101 | Commander Masters | 101 | Uncommon | €0.11 |
| Kaijin of the Vanishing TouchBetrayers of Kamigawa · 39 | Betrayers of Kamigawa | 39 | Uncommon | €0.24 |
| Kalain, Reclusive PainterAdventures in the Forgotten Realms · 225 | Adventures in the Forgotten Realms | 225 | Uncommon | €0.24 |
| Kalain, Reclusive PainterAdventures in the Forgotten Realms · 342 | Adventures in the Forgotten Realms | 342 | Uncommon | $0.23 |
| Kalain, Reclusive PainterAlchemy Horizons: Baldur's Gate · 237 | Alchemy Horizons: Baldur's Gate | 237 | Uncommon | — |
| Kalakscion, Hunger TyrantAetherdrift · 93 | Aetherdrift | 93 | Uncommon | €0.18 |
| KaleidoscorchModern Horizons 2 · 133 | Modern Horizons 2 | 133 | Uncommon | €0.02 |
| Kalonian TuskerMagic 2014 · 182 | Magic 2014 | 182 | Uncommon | €0.21 |
| Kamahl's SummonsOnslaught · 269 | Onslaught | 269 | Uncommon | €0.35 |
| Kamigawa CharmUnknown Event · UG03b | Unknown Event | UG03b | Uncommon | $24.99 |
| Kami of Bamboo GrovesAlchemy: Kamigawa · 24 | Alchemy: Kamigawa | 24 | Uncommon | — |
| Kami of LunacyChampions of Kamigawa · 119 | Champions of Kamigawa | 119 | Uncommon | €0.07 |
| Kami of Old StoneNinth Edition · 24 | Ninth Edition | 24 | Uncommon | $0.29 |
| Kami of Old StoneNinth Edition · 24★ | Ninth Edition | 24★ | Uncommon | $0.29 |
| Kami of Old StoneChampions of Kamigawa · 22 | Champions of Kamigawa | 22 | Uncommon | €0.10 |
| Kami of the Honored DeadBetrayers of Kamigawa · 12 | Betrayers of Kamigawa | 12 | Uncommon | €0.12 |
| Kami of the Palace FieldsChampions of Kamigawa · 24 | Champions of Kamigawa | 24 | Uncommon | €0.09 |
| Kami of the Palace FieldsSalvat 2005 · C27 | Salvat 2005 | C27 | Uncommon | €0.02 |
| Kami of the Palace FieldsSalvat 2005 · C50 | Salvat 2005 | C50 | Uncommon | €0.10 |
| Kami of the Tended GardenSaviors of Kamigawa · 134 | Saviors of Kamigawa | 134 | Uncommon | $0.07 |
| Kami of Whispered HopesMarch of the Machine · 196 | March of the Machine | 196 | Uncommon | €2.58 |
| Kami of Whispered HopesMarch of the Machine · 383 | March of the Machine | 383 | Uncommon | €2.40 |
| Kami of Whispered HopesSecrets of Strixhaven Commander · 273 | Secrets of Strixhaven Commander | 273 | Uncommon | €3.13 |
| Kangee, Sky WardenCommander Legends · 283 | Commander Legends | 283 | Uncommon | €0.23 |
| Kangee, Sky WardenCommander Legends · 603 | Commander Legends | 603 | Uncommon | €0.29 |
| Kangee, Sky WardenStarter Commander Decks · 234 | Starter Commander Decks | 234 | Uncommon | $0.19 |
| Kangee, Sky WardenMagic Online Promos · 86326 | Magic Online Promos | 86326 | Uncommon | — |
| Kangee's LieutenantCommander Legends · 26 | Commander Legends | 26 | Uncommon | €0.18 |
| Kangee's LieutenantStarter Commander Decks · 27 | Starter Commander Decks | 27 | Uncommon | $0.15 |
| Kangee's LieutenantThe List Tokens · CMR-26 | The List Tokens | CMR-26 | Uncommon | — |
| Kang, Temporal TyrantMarvel Super Heroes · 217 | Marvel Super Heroes | 217 | Uncommon | €0.08 |
| Kang, Temporal TyrantMarvel Super Heroes · 450 | Marvel Super Heroes | 450 | Uncommon | €0.74 |
| Kappa Tech-WreckerKamigawa: Neon Dynasty · 198 | Kamigawa: Neon Dynasty | 198 | Uncommon | €0.14 |
| Kappa Tech-WreckerKamigawa: Neon Dynasty · 348 | Kamigawa: Neon Dynasty | 348 | Uncommon | €0.06 |
| Kappa Tech-WreckerThe List Tokens · NEO-198 | The List Tokens | NEO-198 | Uncommon | $0.13 |
| Kapsho KitefinsFoundations Jumpstart · 318 | Foundations Jumpstart | 318 | Uncommon | €0.16 |
| Kapsho KitefinsMagic 2015 · 66 | Magic 2015 | 66 | Uncommon | €0.10 |
| Karai, Future of the FootTeenage Mutant Ninja Turtles · 151 | Teenage Mutant Ninja Turtles | 151 | Uncommon | €0.11 |
| Karai's TechniqueTeenage Mutant Ninja Turtles · 152 | Teenage Mutant Ninja Turtles | 152 | Uncommon | €0.02 |
| Karai's TechniqueTeenage Mutant Ninja Turtles · 244 | Teenage Mutant Ninja Turtles | 244 | Uncommon | €0.10 |
| KarakasLegends · 303 | Legends | 303 | Uncommon | €43.72 |
| KarakasMagic Online Promos · 43592 | Magic Online Promos | 43592 | Uncommon | — |
| Karakyk GuardianTarkir: Dragonstorm · 198 | Tarkir: Dragonstorm | 198 | Uncommon | €0.04 |
| Karakyk GuardianTarkir: Dragonstorm · 312 | Tarkir: Dragonstorm | 312 | Uncommon | €0.28 |
| Karametra's AcolyteTheros Promos · 160 | Theros Promos | 160 | Uncommon | $0.83 |
| Karametra's AcolyteTheros · 160 | Theros | 160 | Uncommon | $0.35 |
| Karametra's AcolyteMagic Online Promos · 50118 | Magic Online Promos | 50118 | Uncommon | — |
| Karametra's FavorBattlebond · 203 | Battlebond | 203 | Uncommon | €0.08 |
| Karametra's FavorStarter Commander Decks · 195 | Starter Commander Decks | 195 | Uncommon | €0.14 |