| Kefnet's Last WordHour of Devastation Promos · 39s | Hour of Devastation Promos | 39s | Rare | $0.70 |
| Kefnet's MonumentAmonkhet · 231 | Amonkhet | 231 | Uncommon | €0.25 |
| Kefnet's MonumentAmonkhet Remastered · 275 | Amonkhet Remastered | 275 | Uncommon | — |
| Kefnet the MindfulAmonkhet · 59 | Amonkhet | 59 | Mythic Rare | $0.50 |
| Kefnet the MindfulDuskmourn: House of Horror Commander · 118 | Duskmourn: House of Horror Commander | 118 | Mythic Rare | €0.30 |
| Kefnet the MindfulAmonkhet Invocations · 15 | Amonkhet Invocations | 15 | Special | €21.90 |
| Kefnet the MindfulAmonkhet Promos · 59s | Amonkhet Promos | 59s | Mythic Rare | €3.77 |
| Kefnet the MindfulAmonkhet Remastered · 66 | Amonkhet Remastered | 66 | Mythic Rare | — |
| Keiga, the Tide StarChampions of Kamigawa · 72 | Champions of Kamigawa | 72 | Rare | €1.16 |
| Keiga, the Tide StarCommander Legends: Battle for Baldur's Gate · 725 | Commander Legends: Battle for Baldur's Gate | 725 | Rare | €0.20 |
| Keiga, the Tide StarIconic Masters · 63 | Iconic Masters | 63 | Rare | €0.67 |
| Keiga, the Tide StarModern Masters · 48 | Modern Masters | 48 | Mythic Rare | €1.30 |
| Keiga, the Tide StarTarkir: Dragonstorm Commander · 156 | Tarkir: Dragonstorm Commander | 156 | Rare | $0.37 |
| KeimiKamigawa: Neon Dynasty Tokens · 13 | Kamigawa: Neon Dynasty Tokens | 13 | — | $1.91 |
| Kei TakahashiChronicles Foreign Black Border · 78 | Chronicles Foreign Black Border | 78 | Uncommon | €1.52 |
| Kei TakahashiChronicles · 78 | Chronicles | 78 | Uncommon | €0.06 |
| Kei TakahashiLegends · 238 | Legends | 238 | Rare | €7.01 |
| Kei TakahashiMasters Edition III · 155 | Masters Edition III | 155 | Uncommon | — |
| Keldon ArsonistProphecy · 92 | Prophecy | 92 | Uncommon | $0.12 |
| Keldon BattlewagonProphecy · 139 | Prophecy | 139 | Rare | $0.25 |
| Keldon BerserkerProphecy · 93 | Prophecy | 93 | Common | $0.05 |
| Keldon ChampionEternal Masters · 135 | Eternal Masters | 135 | Uncommon | $0.06 |
| Keldon ChampionPlanechase · 58 | Planechase | 58 | Uncommon | $0.05 |
| Keldon ChampionPremium Deck Series: Fire and Lightning · 14 | Premium Deck Series: Fire and Lightning | 14 | Uncommon | €0.15 |
| Keldon ChampionThe List Tokens · UDS-90 | The List Tokens | UDS-90 | Uncommon | €0.09 |
| Keldon ChampionUrza's Destiny · 90 | Urza's Destiny | 90 | Uncommon | €0.20 |
| Keldon FirebombersProphecy · 94 | Prophecy | 94 | Rare | €1.39 |
| Keldon FlamesageDominaria United · 135 | Dominaria United | 135 | Rare | €0.13 |
| Keldon FlamesageDominaria United · 407 | Dominaria United | 407 | Rare | €0.13 |
| Keldon FlamesageDominaria United Promos · 135p | Dominaria United Promos | 135p | Rare | €0.25 |
| Keldon FlamesageDominaria United Promos · 135s | Dominaria United Promos | 135s | Rare | €0.22 |
| Keldon FlamesageMagic Online Promos · 103444 | Magic Online Promos | 103444 | Rare | — |
| Keldon HalberdierIconic Masters · 135 | Iconic Masters | 135 | Common | €0.03 |
| Keldon HalberdierThe List Tokens · IMA-135 | The List Tokens | IMA-135 | Common | €0.07 |
| Keldon HalberdierTime Spiral · 167 | Time Spiral | 167 | Common | €0.03 |
| Keldon HalberdierTime Spiral Remastered · 173 | Time Spiral Remastered | 173 | Common | €0.06 |
| Keldon MantlePlaneshift · 65 | Planeshift | 65 | Common | €0.13 |
| Keldon MantleSalvat 2005 · D54 | Salvat 2005 | D54 | Common | €0.06 |
| Keldon MaraudersEternal Masters · 136 | Eternal Masters | 136 | Common | €0.16 |
| Keldon MaraudersPremium Deck Series: Fire and Lightning · 7 | Premium Deck Series: Fire and Lightning | 7 | Common | €0.25 |
| Keldon MaraudersPlanar Chaos · 102 | Planar Chaos | 102 | Common | €0.09 |
| Keldon MaraudersMagic Online Theme Decks · B19 | Magic Online Theme Decks | B19 | Common | — |
| Keldon MegalithsDuel Decks: Jace vs. Chandra · 58 | Duel Decks: Jace vs. Chandra | 58 | Uncommon | €0.14 |
| Keldon MegalithsFuture Sight · 170 | Future Sight | 170 | Uncommon | €0.10 |
| Keldon MegalithsDuel Decks Anthology: Jace vs. Chandra · 58 | Duel Decks Anthology: Jace vs. Chandra | 58 | Uncommon | €0.23 |
| Keldon NecropolisInvasion · 325 | Invasion | 325 | Rare | €0.81 |
| Keldon NecropolisVintage Masters · 300 | Vintage Masters | 300 | Rare | — |
| Keldon OverseerDominaria · 134 | Dominaria | 134 | Common | €0.07 |
| Keldon OverseerThe List Tokens · DOM-134 | The List Tokens | DOM-134 | Common | €0.10 |
| Keldon RaiderDominaria · 135 | Dominaria | 135 | Common | €0.03 |