| Krovikan SorcererMasters Edition II · 51 | Masters Edition II | 51 | Common | — |
| Krovikan SorcererVintage Masters · 77 | Vintage Masters | 77 | Common | — |
| Krovikan VampireIce Age · 141 | Ice Age | 141 | Uncommon | €0.32 |
| Krovikan VampireHobby Japan Promos · 3 | Hobby Japan Promos | 3 | Rare | €38.97 |
| Krovikan VampireMasters Edition II · 102 | Masters Edition II | 102 | Uncommon | — |
| Krovikan WhispersColdsnap · 39 | Coldsnap | 39 | Uncommon | €0.12 |
| Krovod HaunchMurders at Karlov Manor · 21 | Murders at Karlov Manor | 21 | Uncommon | €0.12 |
| Kroxa and KunorosMarch of the Machine · 245 | March of the Machine | 245 | Mythic Rare | €0.34 |
| Kroxa and KunorosMarch of the Machine · 312 | March of the Machine | 312 | Mythic Rare | $0.53 |
| Kroxa and KunorosMarch of the Machine Promos · 245p | March of the Machine Promos | 245p | Mythic Rare | $0.45 |
| Kroxa and KunorosMarch of the Machine Promos · 245s | March of the Machine Promos | 245s | Mythic Rare | €1.50 |
| Kroxa, Titan of Death's HungerMultiverse Legends · 49 | Multiverse Legends | 49 | Mythic Rare | $2.63 |
| Kroxa, Titan of Death's HungerMultiverse Legends · 114 | Multiverse Legends | 114 | Mythic Rare | $5.02 |
| Kroxa, Titan of Death's HungerMultiverse Legends · 179 | Multiverse Legends | 179 | Mythic Rare | $12.21 |
| Kroxa, Titan of Death's HungerMultiverse Legends · 179z | Multiverse Legends | 179z | Mythic Rare | €179.24 |
| Kroxa, Titan of Death's HungerTheros Beyond Death Promos · 221p | Theros Beyond Death Promos | 221p | Mythic Rare | €2.03 |
| Kroxa, Titan of Death's HungerTheros Beyond Death Promos · 221s | Theros Beyond Death Promos | 221s | Mythic Rare | €1.77 |
| Kroxa, Titan of Death's HungerSecret Lair Drop Tokens · 225 | Secret Lair Drop Tokens | 225 | Mythic Rare | €9.69 |
| Kroxa, Titan of Death's HungerTheros Beyond Death · 221 | Theros Beyond Death | 221 | Mythic Rare | $2.69 |
| Kroxa, Titan of Death's HungerTheros Beyond Death · 340 | Theros Beyond Death | 340 | Mythic Rare | $4.56 |
| Kroxa, Titan of Death's HungerMagic Online Promos · 79959 | Magic Online Promos | 79959 | Mythic Rare | — |
| K'rrik, Son of YawgmothCommander 2019 · 18 | Commander 2019 | 18 | Rare | €1.01 |
| K'rrik, Son of YawgmothFinal Fantasy: Through the Ages · 36 | Final Fantasy: Through the Ages | 36 | Rare | €2.08 |
| K'rrik, Son of YawgmothModern Horizons 3 · 274 | Modern Horizons 3 | 274 | Rare | €0.67 |
| K'rrik, Son of YawgmothModern Horizons 3 · 365 | Modern Horizons 3 | 365 | Rare | €0.84 |
| K'rrik, Son of YawgmothModern Horizons 3 · 479 | Modern Horizons 3 | 479 | Rare | €4.69 |
| K'rrik, Son of YawgmothJudge Gift Cards 2021 · 2 | Judge Gift Cards 2021 | 2 | Rare | €31.65 |
| K'rrik, Son of YawgmothSecret Lair Drop Tokens · 1186 | Secret Lair Drop Tokens | 1186 | Rare | €12.23 |
| K'rrik, Son of YawgmothSecret Lair Drop Tokens · 1204 | Secret Lair Drop Tokens | 1204 | Rare | €2.30 |
| K'rrik, Son of YawgmothThe List Tokens · C19-18 | The List Tokens | C19-18 | Rare | $1.70 |
| K'rrik, Son of Yawgmoth // K'rrik, Son of YawgmothModern Horizons 3 Art Series · 47 | Modern Horizons 3 Art Series | 47 | — | — |
| Kruge, Genesis SeekerStar Trek Commander · 165 | Star Trek Commander | 165 | Uncommon | $6.48 |
| Kruin Outlaw // Terror of Kruin PassInnistrad Remastered · 161 | Innistrad Remastered | 161 | Rare | $0.38 |
| Kruin Outlaw // Terror of Kruin PassInnistrad · 152 | Innistrad | 152 | Rare | $0.50 |
| Kruin Outlaw // Terror of Kruin PassShadows of the Past · 42 | Shadows of the Past | 42 | Rare | — |
| Kruin StrikerDouble Masters 2022 · 114 | Double Masters 2022 | 114 | Common | $0.03 |
| Kruin StrikerAvacyn Restored · 143 | Avacyn Restored | 143 | Common | €0.05 |
| Kruin StrikerDuel Decks: Mind vs. Might · 40 | Duel Decks: Mind vs. Might | 40 | Common | $0.04 |
| Kruin StrikerFoundations Jumpstart · 573 | Foundations Jumpstart | 573 | Common | €0.09 |
| Krumar Bond-KinKhans of Tarkir · 77 | Khans of Tarkir | 77 | Common | €0.02 |
| Krumar Bond-KinThe List Tokens · KTK-77 | The List Tokens | KTK-77 | Common | $0.04 |
| Krumar InitiateTarkir: Dragonstorm · 84 | Tarkir: Dragonstorm | 84 | Uncommon | €0.08 |
| Kruphix, God of HorizonsJourney into Nyx · 152 | Journey into Nyx | 152 | Mythic Rare | €2.07 |
| Kruphix, God of HorizonsSecret Lair Drop Tokens · 73 | Secret Lair Drop Tokens | 73 | Mythic Rare | €12.71 |
| Kruphix, God of HorizonsThe List Tokens · JOU-152 | The List Tokens | JOU-152 | Mythic Rare | €2.31 |
| Kruphix, God of HorizonsPioneer Masters · 312 | Pioneer Masters | 312 | Mythic Rare | — |
| Kruphix's InsightCommander 2018 · 155 | Commander 2018 | 155 | Common | €0.13 |
| Kruphix's InsightJourney into Nyx · 129 | Journey into Nyx | 129 | Common | €0.12 |
| Krydle of Baldur's GateAdventures in the Forgotten Realms · 226 | Adventures in the Forgotten Realms | 226 | Uncommon | €0.15 |
| Krydle of Baldur's GateAdventures in the Forgotten Realms · 343 | Adventures in the Forgotten Realms | 343 | Uncommon | €0.18 |