| Kasmina, Enigmatic MentorWar of the Spark · 56 | War of the Spark | 56 | Uncommon | €0.18 |
| Kasmina, Enigmatic MentorWar of the Spark · 56★ | War of the Spark | 56★ | Uncommon | €0.67 |
| Kasmina, Enigmatic MentorMagic Online Promos · 72253 | Magic Online Promos | 72253 | Uncommon | — |
| Kasmina, Enigmatic MentorMagic Online Promos · 77987 | Magic Online Promos | 77987 | Uncommon | — |
| Katara, Bending ProdigyAvatar: The Last Airbender · 59 | Avatar: The Last Airbender | 59 | Uncommon | €0.08 |
| Katara, Heroic HealerAvatar: The Last Airbender Eternal · 215 | Avatar: The Last Airbender Eternal | 215 | Uncommon | €0.51 |
| Katara, Heroic HealerAvatar: The Last Airbender Eternal · 269 | Avatar: The Last Airbender Eternal | 269 | Uncommon | €0.56 |
| Katara, Seeking RevengeAvatar: The Last Airbender Eternal · 148 | Avatar: The Last Airbender Eternal | 148 | Uncommon | $0.16 |
| Kathari RemnantAlara Reborn · 23 | Alara Reborn | 23 | Uncommon | €0.18 |
| Kathari RemnantPlanechase Anthology · 98 | Planechase Anthology | 98 | Uncommon | €0.10 |
| Kathari RemnantPlanechase 2012 · 98 | Planechase 2012 | 98 | Uncommon | €0.10 |
| Kathari RemnantThe List Tokens · PCA-98 | The List Tokens | PCA-98 | Uncommon | €0.09 |
| Kavaron HarrierEdge of Eternities · 139 | Edge of Eternities | 139 | Uncommon | €0.10 |
| Kavaron HarrierEdge of Eternities · 396 | Edge of Eternities | 396 | Uncommon | €0.14 |
| Kavu ChameleonInvasion · 191 | Invasion | 191 | Uncommon | €0.13 |
| Kavu ChameleonWorld Championship Decks 2001 Tokens · jt191 | World Championship Decks 2001 Tokens | jt191 | Uncommon | $0.44 |
| Kavu ChameleonWorld Championship Decks 2001 Tokens · jt191sb | World Championship Decks 2001 Tokens | jt191sb | Uncommon | $0.50 |
| Kavu HowlerApocalypse · 79 | Apocalypse | 79 | Uncommon | €0.14 |
| Kavu PredatorMasters 25 · 176 | Masters 25 | 176 | Uncommon | €0.13 |
| Kavu PredatorDuel Decks: Heroes vs. Monsters · 46 | Duel Decks: Heroes vs. Monsters | 46 | Uncommon | €0.10 |
| Kavu PredatorPlanar Chaos · 132 | Planar Chaos | 132 | Uncommon | €0.16 |
| Kavu PredatorThe List Tokens · PLC-132 | The List Tokens | PLC-132 | Uncommon | €0.11 |
| Kavu RunnerInvasion · 150 | Invasion | 150 | Uncommon | $0.09 |
| Kaya, Bane of the DeadWar of the Spark Promos · 231s | War of the Spark Promos | 231s | Uncommon | €0.43 |
| Kaya, Bane of the DeadWar of the Spark Promos · 231s★ | War of the Spark Promos | 231s★ | Uncommon | €17.72 |
| Kaya, Bane of the DeadSecret Lair Drop Tokens · 531 | Secret Lair Drop Tokens | 531 | Uncommon | €0.38 |
| Kaya, Bane of the DeadWar of the Spark · 231 | War of the Spark | 231 | Uncommon | €0.05 |
| Kaya, Bane of the DeadWar of the Spark · 231★ | War of the Spark | 231★ | Uncommon | €0.38 |
| Kaya, Bane of the DeadMagic Online Promos · 72229 | Magic Online Promos | 72229 | Uncommon | — |
| Kaya, Bane of the DeadMagic Online Promos · 77963 | Magic Online Promos | 77963 | Uncommon | — |
| Kaya's OnslaughtKaldheim · 18 | Kaldheim | 18 | Uncommon | €0.10 |
| Kazandu BlademasterThe List Tokens · ZEN-16 | The List Tokens | ZEN-16 | Uncommon | $0.49 |
| Kazandu BlademasterZendikar · 16 | Zendikar | 16 | Uncommon | €0.27 |
| Kazandu RefugeArchenemy · 126 | Archenemy | 126 | Uncommon | €0.17 |
| Kazandu RefugeCommander 2013 · 301 | Commander 2013 | 301 | Uncommon | €0.14 |
| Kazandu RefugeCommander 2018 · 261 | Commander 2018 | 261 | Uncommon | €0.10 |
| Kazandu RefugeCommander 2019 · 256 | Commander 2019 | 256 | Uncommon | €0.13 |
| Kazandu RefugeCommander 2011 · 280 | Commander 2011 | 280 | Uncommon | €0.14 |
| Kazandu RefugeDuel Decks: Ajani vs. Nicol Bolas · 35 | Duel Decks: Ajani vs. Nicol Bolas | 35 | Uncommon | €0.10 |
| Kazandu RefugeDuel Decks: Heroes vs. Monsters · 71 | Duel Decks: Heroes vs. Monsters | 71 | Uncommon | €0.14 |
| Kazandu RefugePlanechase Anthology · 121 | Planechase Anthology | 121 | Uncommon | €0.11 |
| Kazandu RefugePlanechase 2012 · 121 | Planechase 2012 | 121 | Uncommon | €0.05 |
| Kazandu RefugeStarter Commander Decks · 307 | Starter Commander Decks | 307 | Uncommon | €0.14 |
| Kazandu RefugeThe List Tokens · C18-261 | The List Tokens | C18-261 | Uncommon | €0.12 |
| Kazandu RefugeZendikar · 217 | Zendikar | 217 | Uncommon | €0.17 |
| Ka-Zar of the Savage LandMarvel Super Heroes · 174 | Marvel Super Heroes | 174 | Uncommon | €0.15 |
| Kazuul's Fury // Kazuul's CliffsZendikar Rising · 146 | Zendikar Rising | 146 | Uncommon | €0.66 |
| Kazuul's Toll CollectorOath of the Gatewatch · 112 | Oath of the Gatewatch | 112 | Uncommon | €0.07 |
| Kazuul's Toll CollectorPioneer Anthology 1 · 5 | Pioneer Anthology 1 | 5 | Uncommon | — |
| Kazuul, Tyrant of the CliffsCommander Masters · 237 | Commander Masters | 237 | Uncommon | €0.24 |