| Junk DiverCommander 2014 · 244 | Commander 2014 | 244 | Rare | €0.40 |
| Junk DiverCommander Anthology Volume II · 195 | Commander Anthology Volume II | 195 | Rare | €0.29 |
| Junk DiverUrza's Destiny · 132 | Urza's Destiny | 132 | Rare | €2.34 |
| Junk GolemOdyssey · 300 | Odyssey | 300 | Rare | $0.22 |
| Junk JetFallout · 60 | Fallout | 60 | Rare | €0.21 |
| Junk JetFallout · 387 | Fallout | 387 | Rare | €0.28 |
| Junk JetFallout · 588 | Fallout | 588 | Rare | €0.86 |
| Junk JetFallout · 915 | Fallout | 915 | Rare | €0.68 |
| JunktownFallout · 150 | Fallout | 150 | Rare | €0.18 |
| JunktownFallout · 442 | Fallout | 442 | Rare | €0.42 |
| JunktownFallout · 678 | Fallout | 678 | Rare | $1.25 |
| JunktownFallout · 970 | Fallout | 970 | Rare | €0.91 |
| Junkyard ScrapperAlchemy: Kamigawa · 20 | Alchemy: Kamigawa | 20 | Rare | — |
| Junkyo BellChampions of Kamigawa · 258 | Champions of Kamigawa | 258 | Rare | €0.20 |
| Juntu StakesInvasion · 304 | Invasion | 304 | Rare | €0.42 |
| Juntu StakesThe List Tokens · INV-304 | The List Tokens | INV-304 | Rare | €0.10 |
| Junún EfreetArabian Nights · 28 | Arabian Nights | 28 | Rare | $52.00 |
| Jurin, Leading the ChargeUniverses Within · 27 | Universes Within | 27 | Rare | $1.40 |
| Jurin, Leading the ChargeSecret Lair Drop Tokens · 1240 | Secret Lair Drop Tokens | 1240 | Rare | €4.80 |
| Jushi Apprentice // Tomoya the RevealerChampions of Kamigawa · 70 | Champions of Kamigawa | 70 | Rare | €0.31 |
| Jushi Apprentice // Tomoya the RevealerThe List Tokens · CHK-70 | The List Tokens | CHK-70 | Rare | €0.24 |
| Just a Li'l GuyUnknown Event · RG11a | Unknown Event | RG11a | Rare | $25.00 |
| Just FatePortal Second Age · 17 | Portal Second Age | 17 | Rare | €0.23 |
| JuxtaposeClassic Sixth Edition · 77 | Classic Sixth Edition | 77 | Rare | €0.46 |
| JuxtaposeFifth Edition · 95 | Fifth Edition | 95 | Rare | $0.34 |
| JuxtaposeChronicles Foreign Black Border · 22 | Chronicles Foreign Black Border | 22 | Rare | €5.87 |
| JuxtaposeChronicles · 22 | Chronicles | 22 | Rare | €0.31 |
| JuxtaposeLegends · 63 | Legends | 63 | Rare | $11.78 |
| Juzám DjinnArabian Nights · 29 | Arabian Nights | 29 | Rare | €1,861.47 |
| Juzám DjinnOversized 90's Promos · 3 | Oversized 90's Promos | 3 | Rare | — |
| Juzám DjinnMasters Edition · 74 | Masters Edition | 74 | Rare | — |
| Jwari ShapeshifterThe List Tokens · WWK-32 | The List Tokens | WWK-32 | Rare | €5.27 |
| Jwari ShapeshifterWorldwake · 32 | Worldwake | 32 | Rare | €2.04 |
| K-9, Mark IDoctor Who · 47 | Doctor Who | 47 | Rare | €2.02 |
| K-9, Mark IDoctor Who · 362 | Doctor Who | 362 | Rare | €3.11 |
| K-9, Mark IDoctor Who · 537 | Doctor Who | 537 | Rare | €2.10 |
| K-9, Mark IDoctor Who · 652 | Doctor Who | 652 | Rare | €3.54 |
| K-9, Mark IDoctor Who · 953 | Doctor Who | 953 | Rare | €6.59 |
| K-9, Mark IDoctor Who · 1128 | Doctor Who | 1128 | Rare | €23.08 |
| Kabira EvangelZendikar · 15 | Zendikar | 15 | Rare | €2.28 |
| Kaboom!Onslaught · 214 | Onslaught | 214 | Rare | €0.35 |
| Kadena's SilencerCommander 2019 · 8 | Commander 2019 | 8 | Rare | €0.30 |
| Kaervek's SpiteVisions · 63 | Visions | 63 | Rare | €2.11 |
| Kaervek the MercilessDouble Masters 2022 · 236 | Double Masters 2022 | 236 | Rare | €0.25 |
| Kaervek the MercilessDouble Masters 2022 · 512 | Double Masters 2022 | 512 | Rare | €2.70 |
| Kaervek the MercilessArchenemy · 88 | Archenemy | 88 | Rare | $0.42 |
| Kaervek the MercilessDuskmourn: House of Horror Commander · 222 | Duskmourn: House of Horror Commander | 222 | Rare | €0.15 |
| Kaervek the MercilessStarter Commander Decks · 233 | Starter Commander Decks | 233 | Rare | $0.31 |
| Kaervek the MercilessTime Spiral · 242 | Time Spiral | 242 | Rare | €0.35 |
| Kaervek the MercilessTime Spiral Remastered · 257 | Time Spiral Remastered | 257 | Rare | €0.25 |