| Kutzil's FlankerThe Lost Caverns of Ixalan Promos · 20p | The Lost Caverns of Ixalan Promos | 20p | Rare | $0.48 |
| Kutzil's FlankerThe Lost Caverns of Ixalan Promos · 20s | The Lost Caverns of Ixalan Promos | 20s | Rare | $0.61 |
| Kwain, Itinerant MeddlerBloomburrow Commander · 90 | Bloomburrow Commander | 90 | Rare | €1.24 |
| Kwain, Itinerant MeddlerBloomburrow Commander · 254 | Bloomburrow Commander | 254 | Rare | €0.30 |
| Kwain, Itinerant MeddlerCommander Legends · 284 | Commander Legends | 284 | Rare | €0.18 |
| Kwain, Itinerant MeddlerCommander Legends · 604 | Commander Legends | 604 | Rare | €0.22 |
| Kwain, Itinerant MeddlerYear of the Rabbit 2023 Tokens · 3 | Year of the Rabbit 2023 Tokens | 3 | Rare | €12.03 |
| Kwain, Itinerant MeddlerThe List Tokens · CMR-284 | The List Tokens | CMR-284 | Rare | €0.23 |
| Kwain, Itinerant MeddlerMagic Online Promos · 86312 | Magic Online Promos | 86312 | Rare | — |
| Kykar, Wind's FuryCommander Masters · 343 | Commander Masters | 343 | Rare | €0.50 |
| Kykar, Wind's FuryCommander Masters · 582 | Commander Masters | 582 | Rare | €1.46 |
| Kykar, Wind's FuryCommander Masters · 683 | Commander Masters | 683 | Rare | €0.79 |
| Kykar, Zephyr AwakenerFoundations · 122 | Foundations | 122 | Rare | $0.33 |
| Kykar, Zephyr AwakenerFoundations · 348 | Foundations | 348 | Rare | $0.60 |
| Kykar, Zephyr AwakenerFoundations · 409 | Foundations | 409 | Rare | €13.06 |
| Kykar, Zephyr AwakenerFoundations · 481 | Foundations | 481 | Rare | $0.46 |
| Kykar, Zephyr AwakenerFoundations Promos · 122p | Foundations Promos | 122p | Rare | $0.33 |
| Kykar, Zephyr AwakenerFoundations Promos · 122s | Foundations Promos | 122s | Rare | $1.10 |
| Kylem All-StarUnknown Event · RW04b | Unknown Event | RW04b | Rare | $43.00 |
| Kyler, Sigardian EmissaryMagic Online Promos · 94056 | Magic Online Promos | 94056 | Rare | — |
| Kylox, Visionary InventorMurders at Karlov Manor · 214 | Murders at Karlov Manor | 214 | Rare | €0.07 |
| Kylox, Visionary InventorMurders at Karlov Manor · 365 | Murders at Karlov Manor | 365 | Rare | €0.09 |
| Kylox, Visionary InventorMurders at Karlov Manor Promos · 214p | Murders at Karlov Manor Promos | 214p | Rare | €0.12 |
| Kylox, Visionary InventorMurders at Karlov Manor Promos · 214s | Murders at Karlov Manor Promos | 214s | Rare | $0.34 |
| Kyodai, Soul of KamigawaKamigawa: Neon Dynasty · 23 | Kamigawa: Neon Dynasty | 23 | Rare | €0.21 |
| Kyodai, Soul of KamigawaKamigawa: Neon Dynasty · 407 | Kamigawa: Neon Dynasty | 407 | Rare | $0.36 |
| Kyodai, Soul of KamigawaKamigawa: Neon Dynasty · 438 | Kamigawa: Neon Dynasty | 438 | Rare | $0.41 |
| Kyodai, Soul of KamigawaKamigawa: Neon Dynasty Promos · 23p | Kamigawa: Neon Dynasty Promos | 23p | Rare | €0.21 |
| Kyodai, Soul of KamigawaKamigawa: Neon Dynasty Promos · 23s | Kamigawa: Neon Dynasty Promos | 23s | Rare | $0.68 |
| Kyodai, Soul of KamigawaMagic Online Promos · 97869 | Magic Online Promos | 97869 | Rare | — |
| Kyodai, Soul of KamigawaMagic Online Promos · 97873 | Magic Online Promos | 97873 | Rare | — |
| Kyoki, Sanity's EclipseBetrayers of Kamigawa · 72 | Betrayers of Kamigawa | 72 | Rare | €0.45 |
| Kyren ArchiveMercadian Masques · 302 | Mercadian Masques | 302 | Rare | €0.24 |
| Kyren ToyMercadian Masques · 303 | Mercadian Masques | 303 | Rare | €0.48 |
| Kytheon's IrregularsGame Night 2019 · 8 | Game Night 2019 | 8 | Rare | €0.15 |
| Kytheon's IrregularsMagic Origins · 24 | Magic Origins | 24 | Rare | €0.09 |
| Kytheon's IrregularsMagic Origins Promos · 24s | Magic Origins Promos | 24s | Rare | €0.23 |
| Laboratory DrudgeCommander Legends · 78 | Commander Legends | 78 | Rare | €0.08 |
| Laboratory DrudgeCommander Legends · 636 | Commander Legends | 636 | Rare | €0.22 |
| Laboratory DrudgeStarter Commander Decks · 56 | Starter Commander Decks | 56 | Rare | $0.12 |
| Laboratory DrudgeMagic Online Promos · 86018 | Magic Online Promos | 86018 | Rare | — |
| Laboratory ManiacInnistrad · 61 | Innistrad | 61 | Rare | €0.83 |
| Laboratory ManiacThe List Tokens · ISD-61 | The List Tokens | ISD-61 | Rare | €1.00 |
| Laboratory ManiacSecret Lair Drop Tokens · 1097 | Secret Lair Drop Tokens | 1097 | Rare | €9.66 |
| Laboratory ManiacSecret Lair Drop Tokens · 1394 | Secret Lair Drop Tokens | 1394 | Rare | €4.54 |
| Laboratory ManiacSecret Lair Drop Tokens · 1394★ | Secret Lair Drop Tokens | 1394★ | Rare | $12.20 |
| Labyrinth ChampionTheros · 126 | Theros | 126 | Rare | €0.12 |
| Labyrinth of SkophosMurders at Karlov Manor Commander · 272 | Murders at Karlov Manor Commander | 272 | Rare | €0.27 |
| Labyrinth of SkophosTheros Beyond Death Promos · 243p | Theros Beyond Death Promos | 243p | Rare | €0.48 |
| Labyrinth of SkophosTheros Beyond Death Promos · 243s | Theros Beyond Death Promos | 243s | Rare | €1.52 |