| KarakasLegacy Championship · 2020A | Legacy Championship | 2020A | Mythic Rare | — |
| KarakasUltimate Box Topper · U36 | Ultimate Box Topper | U36 | Mythic Rare | €22.22 |
| KarakasUltimate Masters · 244 | Ultimate Masters | 244 | Mythic Rare | €13.84 |
| KarakasMasters Edition III · 208 | Masters Edition III | 208 | Rare | — |
| KarakasMagic Online Theme Decks · B32 | Magic Online Theme Decks | B32 | Rare | — |
| KarakasMagic Online Promos · 43592 | Magic Online Promos | 43592 | Uncommon | — |
| Karakyk GuardianTarkir: Dragonstorm · 198 | Tarkir: Dragonstorm | 198 | Uncommon | €0.10 |
| Karakyk GuardianTarkir: Dragonstorm · 312 | Tarkir: Dragonstorm | 312 | Uncommon | €0.22 |
| Karametra, God of HarvestsBorn of the Gods · 148 | Born of the Gods | 148 | Mythic Rare | $3.23 |
| Karametra, God of HarvestsCommander 2020 · 218 | Commander 2020 | 218 | Mythic Rare | €1.95 |
| Karametra, God of HarvestsCommander Legends · 522 | Commander Legends | 522 | Mythic Rare | €3.02 |
| Karametra, God of HarvestsSecret Lair Drop Tokens · 69 | Secret Lair Drop Tokens | 69 | Mythic Rare | $17.31 |
| Karametra, God of HarvestsThe List Tokens · BNG-148 | The List Tokens | BNG-148 | Mythic Rare | €1.90 |
| Karametra, God of HarvestsPioneer Masters · 310 | Pioneer Masters | 310 | Mythic Rare | — |
| Karametra, God of HarvestsMagic Online Promos · 86202 | Magic Online Promos | 86202 | Mythic Rare | — |
| Karametra's AcolyteTheros Promos · 160 | Theros Promos | 160 | Uncommon | $0.76 |
| Karametra's AcolyteTheros · 160 | Theros | 160 | Uncommon | $0.36 |
| Karametra's AcolyteMagic Online Promos · 50118 | Magic Online Promos | 50118 | Uncommon | — |
| Karametra's BlessingThe List Tokens · THB-26 | The List Tokens | THB-26 | Common | $0.12 |
| Karametra's BlessingTheros Beyond Death · 26 | Theros Beyond Death | 26 | Common | €0.15 |
| Karametra's FavorBattlebond · 203 | Battlebond | 203 | Uncommon | €0.07 |
| Karametra's FavorBorn of the Gods · 125 | Born of the Gods | 125 | Common | €0.09 |
| Karametra's FavorStarter Commander Decks · 195 | Starter Commander Decks | 195 | Uncommon | €0.12 |
| Karazikar, the Eye TyrantForgotten Realms Commander · 49 | Forgotten Realms Commander | 49 | Mythic Rare | €4.88 |
| Karazikar, the Eye TyrantForgotten Realms Commander · 319 | Forgotten Realms Commander | 319 | Mythic Rare | €11.88 |
| Karazikar, the Eye TyrantSecret Lair Drop Tokens · 1791 | Secret Lair Drop Tokens | 1791 | Mythic Rare | €16.56 |
| Karazikar, the Eye TyrantMagic Online Promos · 92792 | Magic Online Promos | 92792 | Rare | — |
| Karazikar, the Eye TyrantThe List Tokens · AFC-49 | The List Tokens | AFC-49 | Mythic Rare | $3.30 |
| Kardum, Patron of FlamesAlchemy Horizons: Baldur's Gate · 58 | Alchemy Horizons: Baldur's Gate | 58 | Rare | — |
| Kardur, DoomscourgeDuskmourn: House of Horror Commander · 223 | Duskmourn: House of Horror Commander | 223 | Uncommon | €0.09 |
| Kardur, DoomscourgeKaldheim · 216 | Kaldheim | 216 | Uncommon | €0.66 |
| Kardur, DoomscourgeKaldheim · 324 | Kaldheim | 324 | Uncommon | $0.47 |
| Kardur, DoomscourgeStarter Commander Decks · 5 | Starter Commander Decks | 5 | Mythic Rare | $0.54 |
| Kardur, DoomscourgeMagic Online Promos · 88378 | Magic Online Promos | 88378 | Uncommon | — |
| Kardur, Doomscourge // Kardur, DoomscourgeSecret Lair Drop Tokens · 1807 | Secret Lair Drop Tokens | 1807 | Mythic Rare | €16.92 |
| Kardur, Doomscourge // Kardur, DoomscourgeKaldheim Art Series · 57 | Kaldheim Art Series | 57 | — | — |
| Kardur's Vicious ReturnKaldheim · 217 | Kaldheim | 217 | Uncommon | €0.18 |
| Karfell HarbingerKaldheim · 65 | Kaldheim | 65 | Common | €0.05 |
| Karfell Harbinger // Karfell HarbingerKaldheim Art Series · 17 | Kaldheim Art Series | 17 | — | — |
| Karfell Kennel-MasterKaldheim · 101 | Kaldheim | 101 | Common | €0.06 |
| Karfell Kennel-MasterJumpstart 2022 · 430 | Jumpstart 2022 | 430 | Common | €0.06 |
| Kargan DragonlordRise of the Eldrazi · 152 | Rise of the Eldrazi | 152 | Mythic Rare | $0.98 |
| Kargan DragonlordThe List Tokens · ROE-152 | The List Tokens | ROE-152 | Mythic Rare | €0.42 |
| Kargan DragonriderGame Night 2019 · 40 | Game Night 2019 | 40 | Common | €0.14 |
| Kargan DragonriderFoundations · 541 | Foundations | 541 | Common | €0.12 |
| Kargan DragonriderGame Night: Free-for-All · 81 | Game Night: Free-for-All | 81 | Common | €0.08 |
| Kargan DragonriderFoundations · 762 | Foundations | 762 | Common | $0.38 |
| Kargan DragonriderJumpstart 2022 · 561 | Jumpstart 2022 | 561 | Common | $0.07 |
| Kargan DragonriderCore Set 2019 · 297 | Core Set 2019 | 297 | Common | $0.13 |
| Kargan IntimidatorFoundations Jumpstart · 569 | Foundations Jumpstart | 569 | Rare | €0.18 |