| Knightly ValorJumpstart · 115 | Jumpstart | 115 | Common | €0.09 |
| Knightly ValorThe List Tokens · RTR-13 | The List Tokens | RTR-13 | Common | €0.04 |
| Knightly ValorReturn to Ravnica · 13 | Return to Ravnica | 13 | Common | €0.05 |
| Knightly ValorPioneer Masters · 22 | Pioneer Masters | 22 | Common | — |
| Knight of CliffhavenDuel Decks: Knights vs. Dragons · 4 | Duel Decks: Knights vs. Dragons | 4 | Common | €0.05 |
| Knight of CliffhavenDuel Decks: Zendikar vs. Eldrazi Tokens · 5 | Duel Decks: Zendikar vs. Eldrazi Tokens | 5 | Common | €0.07 |
| Knight of CliffhavenThe List Tokens · DDP-5 | The List Tokens | DDP-5 | Common | €0.08 |
| Knight of CliffhavenRise of the Eldrazi · 29 | Rise of the Eldrazi | 29 | Common | €0.07 |
| Knight of New BenaliaDominaria · 24 | Dominaria | 24 | Common | €0.07 |
| Knight of Old BenaliaModern Horizons · 17 | Modern Horizons | 17 | Common | €0.06 |
| Knight of Old BenaliaThe List Tokens · MH1-17 | The List Tokens | MH1-17 | Common | €0.11 |
| Knight of SorrowsThe List Tokens · RNA-14 | The List Tokens | RNA-14 | Common | €0.12 |
| Knight of SorrowsRavnica Allegiance · 14 | Ravnica Allegiance | 14 | Common | $0.09 |
| Knight of SursiFuture Sight · 10 | Future Sight | 10 | Common | €0.10 |
| Knight of SursiTime Spiral Remastered · 22 | Time Spiral Remastered | 22 | Common | €0.10 |
| Knight of the Hokey PokeyUnglued · 6 | Unglued | 6 | Common | €0.17 |
| Knight of the Hokey PokeyUnsanctioned · 8 | Unsanctioned | 8 | Common | €0.10 |
| Knight of the KeepThrone of Eldraine · 19 | Throne of Eldraine | 19 | Common | €0.03 |
| Knight of the KeepThe Lord of the Rings: Tales of Middle-earth · 291 | The Lord of the Rings: Tales of Middle-earth | 291 | Common | €0.02 |
| Knight of the MistsVisions · 36 | Visions | 36 | Common | €0.09 |
| Knight of the MistsWorld Championship Decks 1997 Tokens · pm36sb | World Championship Decks 1997 Tokens | pm36sb | Common | €0.25 |
| Knight of the New CoalitionMarch of the Machine · 25 | March of the Machine | 25 | Common | €0.06 |
| Knight of the Pilgrim's RoadMagic Origins · 20 | Magic Origins | 20 | Common | €0.06 |
| Knight of the Skyward EyeMasters 25 · 19 | Masters 25 | 19 | Common | $0.05 |
| Knight of the Skyward EyeShards of Alara · 15 | Shards of Alara | 15 | Common | €0.07 |
| Knight of the Skyward EyeSalvat 2011 · 12 | Salvat 2011 | 12 | Common | €0.38 |
| Knight of the Skyward EyeThe List Tokens · A25-19 | The List Tokens | A25-19 | Common | €0.08 |
| Knight of the StampedeRivals of Ixalan · 138 | Rivals of Ixalan | 138 | Common | €0.19 |
| Knight of the TuskJumpstart · 114 | Jumpstart | 114 | Common | €0.07 |
| Knight of the TuskCore Set 2019 · 18 | Core Set 2019 | 18 | Common | €0.04 |
| Knight of the TuskThe List Tokens · M19-18 | The List Tokens | M19-18 | Common | €0.07 |
| Knight of ValorVisions · 11 | Visions | 11 | Common | €0.09 |
| Knight of WundagoreMarvel Super Heroes · 175 | Marvel Super Heroes | 175 | Common | €0.05 |
| Knights of Dol AmrothThe Lord of the Rings: Tales of Middle-earth · 59 | The Lord of the Rings: Tales of Middle-earth | 59 | Common | €0.06 |
| Knights of Dol AmrothThe Lord of the Rings: Tales of Middle-earth · 432 | The Lord of the Rings: Tales of Middle-earth | 432 | Common | €0.10 |
| Knights of Dol AmrothThe Lord of the Rings: Tales of Middle-earth · 510 | The Lord of the Rings: Tales of Middle-earth | 510 | Common | €0.19 |
| Knights of Dol AmrothThe Hobbit Eternal · 178 | The Hobbit Eternal | 178 | Common | €0.12 |
| Knights of ThornMasters Edition · 19 | Masters Edition | 19 | Common | — |
| Knight's PledgeCore Set 2019 · 19 | Core Set 2019 | 19 | Common | €0.08 |
| Knight's PledgeArena Beginner Set · 12 | Arena Beginner Set | 12 | Common | — |
| Knight's PledgeArena New Player Experience Cards · 5 | Arena New Player Experience Cards | 5 | Common | — |
| Knight WatchGatecrash · 19 | Gatecrash | 19 | Common | $0.07 |
| Know EvilArchenemy: Nicol Bolas Schemes · 8★ | Archenemy: Nicol Bolas Schemes | 8★ | Common | €0.27 |
| Know Naught but FireArchenemy Schemes · 23★ | Archenemy Schemes | 23★ | Common | €4.75 |
| Koala-SheepAvatar: The Last Airbender Eternal · 80 | Avatar: The Last Airbender Eternal | 80 | Common | €0.12 |
| Kobolds of Kher KeepLegends · 157 | Legends | 157 | Common | €3.01 |
| Kobolds of Kher KeepMystery Booster 2 Tokens · 194 | Mystery Booster 2 Tokens | 194 | Common | $0.92 |
| Kobolds of Kher KeepMasters Edition III · 107 | Masters Edition III | 107 | Common | — |
| Kobold TaskmasterMasters Edition III · 106 | Masters Edition III | 106 | Common | — |
| Kobold WarcallerAlchemy Horizons: Baldur's Gate · 59 | Alchemy Horizons: Baldur's Gate | 59 | Common | — |