| Karn, Scion of UrzaMythic Edition · RA1 | Mythic Edition | RA1 | Mythic Rare | $16.61 |
| Karn, Scion of UrzaDominaria Promos · 1p | Dominaria Promos | 1p | Mythic Rare | €6.32 |
| Karn, Scion of UrzaDominaria Promos · 1s | Dominaria Promos | 1s | Mythic Rare | €7.57 |
| Karn, Scion of UrzaSecret Lair Drop Tokens · 1419 | Secret Lair Drop Tokens | 1419 | Mythic Rare | €6.70 |
| Karn, Scion of UrzaSecret Lair Drop Tokens · 1419★ | Secret Lair Drop Tokens | 1419★ | Mythic Rare | $4.51 |
| Karn, Silver GolemFrom the Vault: Relics · 6 | From the Vault: Relics | 6 | Mythic Rare | €10.36 |
| Karn's SylexDominaria United · 234 | Dominaria United | 234 | Mythic Rare | $0.79 |
| Karn's SylexDominaria United Promos · 234p | Dominaria United Promos | 234p | Mythic Rare | $0.96 |
| Karn's SylexDominaria United Promos · 234s | Dominaria United Promos | 234s | Mythic Rare | €2.38 |
| Karn, the Great CreatorBloomburrow Commander · 73 | Bloomburrow Commander | 73 | Mythic Rare | €8.20 |
| Karn, the Great CreatorRavnica Remastered · 1 | Ravnica Remastered | 1 | Mythic Rare | €4.71 |
| Karrthus, Tyrant of JundDouble Masters · 205 | Double Masters | 205 | Mythic Rare | €3.14 |
| Karrthus, Tyrant of JundAlara Reborn · 117 | Alara Reborn | 117 | Mythic Rare | €2.99 |
| Karrthus, Tyrant of JundCommander's Arsenal Oversized · 7 | Commander's Arsenal Oversized | 7 | Mythic Rare | €1.90 |
| Karrthus, Tyrant of JundThe List Tokens · ARB-117 | The List Tokens | ARB-117 | Mythic Rare | €2.24 |
| Karrthus, Tyrant of JundSecret Lair Drop Tokens · 1250 | Secret Lair Drop Tokens | 1250 | Mythic Rare | €13.22 |
| Kaseto, Orochi ArchmageCommander 2015 · 47 | Commander 2015 | 47 | Mythic Rare | €0.50 |
| Kaseto, Orochi ArchmageCommander 2021 · 221 | Commander 2021 | 221 | Mythic Rare | €0.05 |
| Kaseto, Orochi ArchmageYear of the Snake 2025 Tokens · 5 | Year of the Snake 2025 Tokens | 5 | Mythic Rare | €10.20 |
| Kaseto, Orochi ArchmageThe List Tokens · C21-221 | The List Tokens | C21-221 | Mythic Rare | €0.43 |
| Kasla, the Broken HaloMarch of the Machine Commander · 4 | March of the Machine Commander | 4 | Mythic Rare | €0.25 |
| Kasla, the Broken HaloMarch of the Machine Commander · 92 | March of the Machine Commander | 92 | Mythic Rare | €0.69 |
| Kasla, the Broken HaloMarch of the Machine Commander · 137 | March of the Machine Commander | 137 | Mythic Rare | €0.12 |
| Kasmina, Enigma SageStrixhaven: School of Mages Promos · 196p | Strixhaven: School of Mages Promos | 196p | Mythic Rare | €3.13 |
| Kasmina, Enigma SageStrixhaven: School of Mages Promos · 196s | Strixhaven: School of Mages Promos | 196s | Mythic Rare | €7.15 |
| Kasmina, Enigma SageStrixhaven: School of Mages · 196 | Strixhaven: School of Mages | 196 | Mythic Rare | €6.51 |
| Kasmina, Enigma SageStrixhaven: School of Mages · 279 | Strixhaven: School of Mages | 279 | Mythic Rare | $10.06 |
| Kasmina, Enigma SageMagic Online Promos · 90272 | Magic Online Promos | 90272 | Mythic Rare | — |
| Kassandra, Eagle BearerAssassin's Creed · 59 | Assassin's Creed | 59 | Mythic Rare | $2.08 |
| Kassandra, Eagle BearerAssassin's Creed · 148 | Assassin's Creed | 148 | Mythic Rare | $5.57 |
| Kassandra, Eagle BearerAssassin's Creed · 240 | Assassin's Creed | 240 | Mythic Rare | $6.93 |
| Kassandra, Eagle BearerAssassin's Creed · 271 | Assassin's Creed | 271 | Mythic Rare | $24.17 |
| Katara, Waterbending MasterAvatar: The Last Airbender Eternal · 93 | Avatar: The Last Airbender Eternal | 93 | Mythic Rare | $7.94 |
| Katara, Waterbending MasterAvatar: The Last Airbender Eternal · 180 | Avatar: The Last Airbender Eternal | 180 | Mythic Rare | $10.98 |
| Kathril, Aspect WarperCommander 2020 · 10 | Commander 2020 | 10 | Mythic Rare | €0.42 |
| Kathril, Aspect WarperCommander 2020 Oversized · 10 | Commander 2020 Oversized | 10 | Mythic Rare | €0.09 |
| Katilda and LierMarch of the Machine Commander · 446 | March of the Machine Commander | 446 | Mythic Rare | €0.29 |
| Katilda and LierMarch of the Machine Commander · 449 | March of the Machine Commander | 449 | Mythic Rare | €0.48 |
| Kaust, Eyes of the GladeMurders at Karlov Manor Commander · 1 | Murders at Karlov Manor Commander | 1 | Mythic Rare | €0.08 |
| Kaust, Eyes of the GladeMurders at Karlov Manor Commander · 49 | Murders at Karlov Manor Commander | 49 | Mythic Rare | €0.11 |
| Kaust, Eyes of the GladeMurders at Karlov Manor Commander · 314 | Murders at Karlov Manor Commander | 314 | Mythic Rare | $0.29 |
| Kavaron, Memorial WorldEdge of Eternities · 255 | Edge of Eternities | 255 | Mythic Rare | €1.29 |
| Kavaron, Memorial WorldEdge of Eternities · 281 | Edge of Eternities | 281 | Mythic Rare | €1.87 |
| Kavaron, Memorial WorldEdge of Eternities · 376 | Edge of Eternities | 376 | Mythic Rare | €9.69 |
| Kavaron, Memorial WorldEdge of Eternities Promos · 255p | Edge of Eternities Promos | 255p | Mythic Rare | $0.93 |
| Kavaron, Memorial WorldEdge of Eternities Promos · 255s | Edge of Eternities Promos | 255s | Mythic Rare | €2.67 |
| Kaya, Geist HunterInnistrad: Double Feature · 507 | Innistrad: Double Feature | 507 | Mythic Rare | €1.89 |
| Kaya, Geist HunterInnistrad: Crimson Vow Promos · 240s | Innistrad: Crimson Vow Promos | 240s | Mythic Rare | €3.80 |
| Kaya, Geist HunterTarkir: Dragonstorm Commander · 294 | Tarkir: Dragonstorm Commander | 294 | Mythic Rare | $0.40 |
| Kaya, Geist HunterInnistrad: Crimson Vow · 240 | Innistrad: Crimson Vow | 240 | Mythic Rare | €1.01 |