| Koh, the Face Stealer // Koh, the Face StealerAvatar: the Last Airbender Art Series · 9 | Avatar: the Last Airbender Art Series | 9 | — | — |
| Koh, the Face Stealer // Koh, the Face StealerAvatar: the Last Airbender Art Series · 34 | Avatar: the Last Airbender Art Series | 34 | — | — |
| Koilos RocThe Brothers' War · 55 | The Brothers' War | 55 | Common | €0.02 |
| Kokusho, the Evening StarChampions of Kamigawa · 122 | Champions of Kamigawa | 122 | Rare | €14.30 |
| Kokusho, the Evening StarFrom the Vault: Dragons · 9 | From the Vault: Dragons | 9 | Rare | €22.77 |
| Kokusho, the Evening StarIconic Masters · 95 | Iconic Masters | 95 | Rare | €18.87 |
| Kokusho, the Evening StarModern Masters · 89 | Modern Masters | 89 | Mythic Rare | €18.81 |
| Kokusho, the Evening StarSecret Lair Drop Tokens · 1528 | Secret Lair Drop Tokens | 1528 | Rare | €29.75 |
| Kokusho, the Evening StarThe List Tokens · DRB-9 | The List Tokens | DRB-9 | Rare | €10.64 |
| Kolaghan AspirantDragons of Tarkir · 143 | Dragons of Tarkir | 143 | Common | €0.03 |
| Kolaghan ForerunnersDragons of Tarkir · 144 | Dragons of Tarkir | 144 | Uncommon | $0.08 |
| Kolaghan MonumentDragons of Tarkir · 241 | Dragons of Tarkir | 241 | Uncommon | €0.16 |
| Kolaghan MonumentIconic Masters · 217 | Iconic Masters | 217 | Uncommon | €0.09 |
| Kolaghan's CommandDouble Masters 2022 · 239 | Double Masters 2022 | 239 | Rare | $0.38 |
| Kolaghan's CommandDouble Masters 2022 · 381 | Double Masters 2022 | 381 | Rare | $1.50 |
| Kolaghan's CommandDouble Masters 2022 · 515 | Double Masters 2022 | 515 | Rare | €2.59 |
| Kolaghan's CommandDragons of Tarkir · 224 | Dragons of Tarkir | 224 | Rare | $0.60 |
| Kolaghan's CommandModern Horizons 3 Commander · 268 | Modern Horizons 3 Commander | 268 | Rare | $0.33 |
| Kolaghan's CommandDragons of Tarkir Promos · 224s | Dragons of Tarkir Promos | 224s | Rare | €1.38 |
| Kolaghan's CommandThe List Tokens · DTK-224 | The List Tokens | DTK-224 | Rare | $0.37 |
| Kolaghan's CommandHistoric Anthology 5 · 20 | Historic Anthology 5 | 20 | Rare | — |
| Kolaghan's CommandMagic Online Promos · 102301 | Magic Online Promos | 102301 | Rare | — |
| Kolaghan SkirmisherDragons of Tarkir · 107 | Dragons of Tarkir | 107 | Common | €0.02 |
| Kolaghan StormsingerDragons of Tarkir · 145 | Dragons of Tarkir | 145 | Common | $0.02 |
| Kolaghan StormsingerThe List Tokens · DTK-145 | The List Tokens | DTK-145 | Common | €0.09 |
| Kolaghan, the Storm's FuryCommander 2017 · 176 | Commander 2017 | 176 | Rare | €0.20 |
| Kolaghan, the Storm's FuryFate Reforged · 155 | Fate Reforged | 155 | Rare | €0.43 |
| Kolaghan, the Storm's FuryFate Reforged Promos · 155s | Fate Reforged Promos | 155s | Rare | €1.05 |
| Kolaghan WarmongerMarch of the Machine: The Aftermath · 17 | March of the Machine: The Aftermath | 17 | Uncommon | €0.07 |
| Kolaghan WarmongerMarch of the Machine: The Aftermath · 67 | March of the Machine: The Aftermath | 67 | Uncommon | €0.10 |
| Kolaghan WarmongerMarch of the Machine: The Aftermath · 117 | March of the Machine: The Aftermath | 117 | Uncommon | €0.16 |
| Kolaghan WarmongerMarch of the Machine: The Aftermath · 201 | March of the Machine: The Aftermath | 201 | Uncommon | $1.26 |
| Kolaghan WarmongerThe List Tokens · MAT-67 | The List Tokens | MAT-67 | Uncommon | $0.33 |
| Kolinahr PriestStar Trek Commander · 146 | Star Trek Commander | 146 | Common | — |
| Koll, the ForgemasterKaldheim · 220 | Kaldheim | 220 | Uncommon | €0.20 |
| Koll, the ForgemasterKaldheim · 325 | Kaldheim | 325 | Uncommon | $0.21 |
| Koll, the ForgemasterMagic Online Promos · 88390 | Magic Online Promos | 88390 | Uncommon | — |
| Koll, the Forgemaster // Koll, the ForgemasterKaldheim Art Series · 59 | Kaldheim Art Series | 59 | — | — |
| Kolodin, Triumph CasterAetherdrift · 210 | Aetherdrift | 210 | Rare | €0.25 |
| Kolodin, Triumph CasterAetherdrift · 364 | Aetherdrift | 364 | Rare | €0.24 |
| Kolodin, Triumph CasterAetherdrift · 483 | Aetherdrift | 483 | Rare | €1.38 |
| Kolodin, Triumph CasterAetherdrift Promos · 210p | Aetherdrift Promos | 210p | Rare | €0.08 |
| Kolodin, Triumph CasterAetherdrift Promos · 210s | Aetherdrift Promos | 210s | Rare | $0.44 |
| Kolodin, Triumph Caster // Kolodin, Triumph CasterAetherdrift Art Series · 17 | Aetherdrift Art Series | 17 | — | €0.41 |
| Kolvori, God of Kinship // Kolvori, God of KinshipKaldheim Art Series · 48 | Kaldheim Art Series | 48 | — | €0.13 |
| Kolvori, God of Kinship // The Ringhart CrestKaldheim · 181 | Kaldheim | 181 | Rare | €0.25 |
| Kolvori, God of Kinship // The Ringhart CrestKaldheim · 318 | Kaldheim | 318 | Rare | €0.34 |
| Kolvori, God of Kinship // The Ringhart CrestKaldheim Promos · 181s | Kaldheim Promos | 181s | Rare | €0.36 |
| Kolvori, God of Kinship // The Ringhart CrestThe List Tokens · KHM-181 | The List Tokens | KHM-181 | Rare | $0.32 |
| Kolvori, God of Kinship // The Ringhart CrestMagic Online Promos · 88348 | Magic Online Promos | 88348 | Rare | — |