| Kor BladewhirlThe List Tokens · BFZ-34 | The List Tokens | BFZ-34 | Uncommon | €0.11 |
| Kor ChantTempest Remastered · 17 | Tempest Remastered | 17 | Uncommon | — |
| Kor DirgePlanar Chaos · 87 | Planar Chaos | 87 | Uncommon | €0.12 |
| Kor DirgeTime Spiral Remastered · 120 | Time Spiral Remastered | 120 | Uncommon | €0.07 |
| Kor DuelistGame Night: Free-for-All · 13 | Game Night: Free-for-All | 13 | Uncommon | €0.11 |
| Kor DuelistModern Masters 2015 · 22 | Modern Masters 2015 | 22 | Uncommon | $0.06 |
| Kor DuelistZendikar · 19 | Zendikar | 19 | Uncommon | €0.11 |
| Kor DuelistMagic Online Promos · 36212 | Magic Online Promos | 36212 | Uncommon | — |
| Kor EntanglersBattle for Zendikar · 36 | Battle for Zendikar | 36 | Uncommon | €0.07 |
| Kor FirewalkerMasters 25 · 21 | Masters 25 | 21 | Uncommon | €0.18 |
| Kor FirewalkerThe List Tokens · A25-21 | The List Tokens | A25-21 | Uncommon | €0.13 |
| Kor FirewalkerWorldwake · 11 | Worldwake | 11 | Uncommon | €0.19 |
| Kor FirewalkerMagic Online Theme Decks · B6 | Magic Online Theme Decks | B6 | Uncommon | — |
| Kor FirewalkerMagic Online Promos · 43574 | Magic Online Promos | 43574 | Uncommon | — |
| Korlessa, Scale SingerCommander Legends: Battle for Baldur's Gate · 280 | Commander Legends: Battle for Baldur's Gate | 280 | Uncommon | €0.18 |
| Korlessa, Scale SingerCommander Legends: Battle for Baldur's Gate · 427 | Commander Legends: Battle for Baldur's Gate | 427 | Uncommon | $0.22 |
| Korlessa, Scale SingerCommander Legends: Battle for Baldur's Gate · 538 | Commander Legends: Battle for Baldur's Gate | 538 | Uncommon | €0.30 |
| Korlessa, Scale SingerAlchemy Horizons: Baldur's Gate · 238 | Alchemy Horizons: Baldur's Gate | 238 | Uncommon | — |
| Korozda GorgonDragon's Maze · 78 | Dragon's Maze | 78 | Uncommon | €0.09 |
| Korozda GuildmageCommander 2015 · 224 | Commander 2015 | 224 | Uncommon | €0.21 |
| Korozda GuildmageCommander 2016 · 208 | Commander 2016 | 208 | Uncommon | $0.26 |
| Korozda GuildmageCommander Anthology · 181 | Commander Anthology | 181 | Uncommon | €0.12 |
| Korozda GuildmageDuel Decks: Izzet vs. Golgari · 52 | Duel Decks: Izzet vs. Golgari | 52 | Uncommon | €0.07 |
| Korozda GuildmageGRN Guild Kit · 66 | GRN Guild Kit | 66 | Uncommon | €0.08 |
| Korozda GuildmageReturn to Ravnica · 176 | Return to Ravnica | 176 | Uncommon | €0.06 |
| Korvold and the Noble ThiefWilds of Eldraine · 139 | Wilds of Eldraine | 139 | Uncommon | €0.13 |
| Koskun KeepHomelands · 114 | Homelands | 114 | Uncommon | €0.21 |
| Koth of the HomesteadReality Fracture · 199 | Reality Fracture | 199 | Uncommon | €0.09 |
| Koth, the GeomancerReality Fracture · 248 | Reality Fracture | 248 | Uncommon | €0.14 |
| Koya, Death from AboveTeenage Mutant Ninja Turtles · 11 | Teenage Mutant Ninja Turtles | 11 | Uncommon | €0.06 |
| Kozilek's UnsealingModern Horizons 3 · 65 | Modern Horizons 3 | 65 | Uncommon | $0.36 |
| Kragma WarcallerTheros · 195 | Theros | 195 | Uncommon | €0.12 |
| Kraken of the StraitsBorn of the Gods · 42 | Born of the Gods | 42 | Uncommon | €0.17 |
| Kraken's EyeTenth Edition · 329 | Tenth Edition | 329 | Uncommon | €0.11 |
| Kraken's EyeNinth Edition · 302 | Ninth Edition | 302 | Uncommon | €0.07 |
| Kraken's EyeNinth Edition · 302★ | Ninth Edition | 302★ | Uncommon | $0.24 |
| Kraken's EyeDuels of the Planeswalkers · 93 | Duels of the Planeswalkers | 93 | Uncommon | $0.15 |
| Kraken's EyeDarksteel · 126 | Darksteel | 126 | Uncommon | €0.08 |
| Kraken's EyeMagic 2010 · 213 | Magic 2010 | 213 | Uncommon | €0.07 |
| Kraken's EyeMagic 2011 · 210 | Magic 2011 | 210 | Uncommon | €0.08 |
| Kraken's EyeMagic 2012 · 211 | Magic 2012 | 211 | Uncommon | $0.10 |
| Kraken's EyeSalvat 2011 · 192 | Salvat 2011 | 192 | Uncommon | €0.06 |
| KrakilinTempest · 235 | Tempest | 235 | Uncommon | €0.18 |
| Krark-Clan EngineersFifth Dawn · 70 | Fifth Dawn | 70 | Uncommon | €0.10 |
| Krark-Clan IronworksFifth Dawn · 134 | Fifth Dawn | 134 | Uncommon | €9.98 |
| Krark-Clan IronworksMystery Booster 2 Tokens · 224 | Mystery Booster 2 Tokens | 224 | Uncommon | €10.63 |
| Krark-Clan IronworksWorld Championship Decks 2004 Tokens · mb134 | World Championship Decks 2004 Tokens | mb134 | Uncommon | €4.86 |
| Krark's Other ThumbUnsanctioned · 79 | Unsanctioned | 79 | Uncommon | €0.29 |
| Krark's Other ThumbUnstable · 151 | Unstable | 151 | Uncommon | €0.25 |
| Krasis IncubationDragon's Maze · 79 | Dragon's Maze | 79 | Uncommon | $0.06 |