| Knight-Errant of EosMarch of the Machine Promos · 26p | March of the Machine Promos | 26p | Rare | $0.39 |
| Knight-Errant of EosMarch of the Machine Promos · 26s | March of the Machine Promos | 26s | Rare | €0.53 |
| Knight ExemplarDuel Decks: Knights vs. Dragons · 14 | Duel Decks: Knights vs. Dragons | 14 | Rare | €2.12 |
| Knight ExemplarMagic 2011 · 20 | Magic 2011 | 20 | Rare | €2.70 |
| Knight ExemplarMarch of the Machine Commander · 192 | March of the Machine Commander | 192 | Rare | €2.71 |
| Knight ExemplarMagic 2011 Promos · A7 | Magic 2011 Promos | A7 | Rare | €3.80 |
| Knight ExemplarThe List Tokens · DDG-14 | The List Tokens | DDG-14 | Rare | €2.59 |
| Knight ExemplarSecret Lair Drop Tokens · 707 | Secret Lair Drop Tokens | 707 | Rare | €3.16 |
| Knight ExemplarSecret Lair Drop Tokens · 1044 | Secret Lair Drop Tokens | 1044 | Rare | €6.23 |
| Knight ExemplarThe List Tokens · M11-20 | The List Tokens | M11-20 | Rare | €0.70 |
| KnightfisherBloomburrow · 55 | Bloomburrow | 55 | Uncommon | $0.13 |
| KnighthoodSeventh Edition · 25 | Seventh Edition | 25 | Uncommon | €0.35 |
| KnighthoodSeventh Edition · 25★ | Seventh Edition | 25★ | Uncommon | $0.42 |
| KnighthoodUrza's Legacy · 12 | Urza's Legacy | 12 | Uncommon | $0.38 |
| Knight in _____ ArmorUnfinity · 17 | Unfinity | 17 | Uncommon | €0.03 |
| Knight in _____ ArmorUnfinity · 303 | Unfinity | 303 | Uncommon | $0.29 |
| Knight LuminaryEdge of Eternities · 23 | Edge of Eternities | 23 | Common | €0.05 |
| Knightly ValorDouble Masters 2022 · 14 | Double Masters 2022 | 14 | Common | €0.02 |
| Knightly ValorJumpstart · 115 | Jumpstart | 115 | Common | €0.09 |
| Knightly ValorCore Set 2019 · 20 | Core Set 2019 | 20 | Uncommon | €0.06 |
| Knightly ValorMagic Origins · 22 | Magic Origins | 22 | Uncommon | €0.07 |
| Knightly ValorThe List Tokens · RTR-13 | The List Tokens | RTR-13 | Common | €0.04 |
| Knightly ValorReturn to Ravnica · 13 | Return to Ravnica | 13 | Common | €0.05 |
| Knightly ValorWilds of Eldraine: Enchanting Tales · 8 | Wilds of Eldraine: Enchanting Tales | 8 | Uncommon | €0.11 |
| Knightly ValorPioneer Masters · 22 | Pioneer Masters | 22 | Common | — |
| Knightly Valor // Knightly ValorWilds of Eldraine Art Series · 63 | Wilds of Eldraine Art Series | 63 | — | — |
| Knight of AutumnForgotten Realms Commander · 187 | Forgotten Realms Commander | 187 | Rare | $0.43 |
| Knight of AutumnGuilds of Ravnica · 183 | Guilds of Ravnica | 183 | Rare | $0.50 |
| Knight of AutumnGuilds of Ravnica Promos · 183p | Guilds of Ravnica Promos | 183p | Rare | €0.55 |
| Knight of AutumnGuilds of Ravnica Promos · 183s | Guilds of Ravnica Promos | 183s | Rare | €2.26 |
| Knight of CliffhavenDuel Decks: Knights vs. Dragons · 4 | Duel Decks: Knights vs. Dragons | 4 | Common | €0.05 |
| Knight of CliffhavenDuel Decks: Zendikar vs. Eldrazi Tokens · 5 | Duel Decks: Zendikar vs. Eldrazi Tokens | 5 | Common | €0.06 |
| Knight of CliffhavenThe List Tokens · DDP-5 | The List Tokens | DDP-5 | Common | €0.08 |
| Knight of CliffhavenRise of the Eldrazi · 29 | Rise of the Eldrazi | 29 | Common | €0.06 |
| Knight of DawnThe List Tokens · TMP-26 | The List Tokens | TMP-26 | Uncommon | €0.15 |
| Knight of DawnTempest · 26 | Tempest | 26 | Uncommon | €0.19 |
| Knight of Dawn's LightDominaria United · 23 | Dominaria United | 23 | Uncommon | €0.08 |
| Knight of Dawn's Light // Knight of Dawn's LightDominaria United Art Series · 10 | Dominaria United Art Series | 10 | — | — |
| Knight of DovesWilds of Eldraine · 19 | Wilds of Eldraine | 19 | Uncommon | €0.06 |
| Knight of DuskTenth Edition · 152 | Tenth Edition | 152 | Uncommon | €0.30 |
| Knight of DuskTempest · 140 | Tempest | 140 | Uncommon | €0.23 |
| Knight of Dusk's ShadowDominaria United · 96 | Dominaria United | 96 | Uncommon | €0.18 |
| Knight of GloryMagic 2013 · 21 | Magic 2013 | 21 | Uncommon | €0.22 |
| Knight of GraceDominaria · 23 | Dominaria | 23 | Uncommon | €0.12 |
| Knight of GraceFoundations · 576 | Foundations | 576 | Uncommon | €0.10 |
| Knight of InfamyMagic 2013 · 96 | Magic 2013 | 96 | Uncommon | $0.23 |
| Knight of Lost CausesMystery Booster 2 Tokens · 518 | Mystery Booster 2 Tokens | 518 | Rare | €0.24 |
| Knight of MaliceDominaria · 97 | Dominaria | 97 | Uncommon | €0.12 |
| Knight of MaliceFoundations · 608 | Foundations | 608 | Uncommon | €0.12 |
| Knight of MeadowgrainDuel Decks: Knights vs. Dragons · 5 | Duel Decks: Knights vs. Dragons | 5 | Uncommon | $0.46 |