| Junkyo BellChampions of Kamigawa · 258 | Champions of Kamigawa | 258 | Rare | €0.20 |
| Juntu StakesInvasion · 304 | Invasion | 304 | Rare | $0.43 |
| Juntu StakesThe List Tokens · INV-304 | The List Tokens | INV-304 | Rare | €0.10 |
| Junún EfreetFourth Edition Foreign Black Border · 143 | Fourth Edition Foreign Black Border | 143 | Uncommon | €0.98 |
| Junún EfreetFourth Edition · 143 | Fourth Edition | 143 | Uncommon | $0.13 |
| Junún EfreetArabian Nights · 28 | Arabian Nights | 28 | Rare | $52.00 |
| Junún EfreetRinascimento · 55 | Rinascimento | 55 | Uncommon | €0.59 |
| Junún EfreetRenaissance · 57 | Renaissance | 57 | Uncommon | €0.50 |
| Junún EfreetMasters Edition IV · 88 | Masters Edition IV | 88 | Uncommon | — |
| Juri, Master of the RevueCommander Legends · 282 | Commander Legends | 282 | Uncommon | €0.18 |
| Juri, Master of the RevueCommander Legends · 602 | Commander Legends | 602 | Uncommon | $0.46 |
| Juri, Master of the RevueEdge of Eternities Commander · 119 | Edge of Eternities Commander | 119 | Uncommon | €0.18 |
| Juri, Master of the RevueMultiverse Legends · 46 | Multiverse Legends | 46 | Uncommon | €0.15 |
| Juri, Master of the RevueMultiverse Legends · 111 | Multiverse Legends | 111 | Uncommon | €0.15 |
| Juri, Master of the RevueMultiverse Legends · 176 | Multiverse Legends | 176 | Uncommon | €2.23 |
| Juri, Master of the RevueMultiverse Legends · 176z | Multiverse Legends | 176z | Uncommon | €178.68 |
| Juri, Master of the RevueMagic Online Promos · 86274 | Magic Online Promos | 86274 | Uncommon | — |
| Jurin, Leading the ChargeUniverses Within · 27 | Universes Within | 27 | Rare | $1.41 |
| 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 | €0.18 |
| Just a Li'l GuyUnknown Event · RG11a | Unknown Event | RG11a | Rare | $25.00 |
| Just DessertsUnstable · 90 | Unstable | 90 | Common | €0.05 |
| Just FatePortal Second Age · 17 | Portal Second Age | 17 | Rare | €0.75 |
| Just FateMasters Edition IV · 16 | Masters Edition IV | 16 | Common | — |
| JusticeFifth Edition · 41 | Fifth Edition | 41 | Uncommon | $0.22 |
| JusticeIce Age · 32 | Ice Age | 32 | Uncommon | €0.14 |
| Justice StrikeGuilds of Ravnica · 182 | Guilds of Ravnica | 182 | Uncommon | €0.13 |
| Justice, Vance AstrovikMarvel Super Heroes · 61 | Marvel Super Heroes | 61 | Uncommon | €0.07 |
| Justiciar's PortalJumpstart 2022 · 202 | Jumpstart 2022 | 202 | Common | $0.23 |
| Justiciar's PortalRavnica Allegiance · 13 | Ravnica Allegiance | 13 | Common | €0.08 |
| Just the WindShadows over Innistrad · 71 | Shadows over Innistrad | 71 | Common | €0.08 |
| Just the WindUltimate Masters · 60 | Ultimate Masters | 60 | Common | €0.06 |
| Just the WindJumpstart: Historic Horizons · 205 | Jumpstart: Historic Horizons | 205 | Common | — |
| Juvenile GloomwidowShadowmoor · 121 | Shadowmoor | 121 | Common | €0.23 |
| Juvenile Mist DragonCommander Legends: Battle for Baldur's Gate · 79 | Commander Legends: Battle for Baldur's Gate | 79 | Uncommon | €0.15 |
| Juvenile Mist DragonAlchemy Horizons: Baldur's Gate · 124 | Alchemy Horizons: Baldur's Gate | 124 | Uncommon | — |
| JuxtaposeClassic Sixth Edition · 77 | Classic Sixth Edition | 77 | Rare | €0.41 |
| JuxtaposeFifth Edition · 95 | Fifth Edition | 95 | Rare | $0.36 |
| JuxtaposeChronicles Foreign Black Border · 22 | Chronicles Foreign Black Border | 22 | Rare | €5.87 |
| JuxtaposeChronicles · 22 | Chronicles | 22 | Rare | €0.38 |
| JuxtaposeLegends · 63 | Legends | 63 | Rare | $11.84 |
| JuxtaposeMasters Edition · 41 | Masters Edition | 41 | Uncommon | — |
| 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 Disruption // Jwari RuinsZendikar Rising · 64 | Zendikar Rising | 64 | Uncommon | €0.35 |
| Jwari Disruption // Jwari RuinsPioneer Masters · 62 | Pioneer Masters | 62 | Uncommon | — |
| Jwari ScuttlerRise of the Eldrazi · 73 | Rise of the Eldrazi | 73 | Common | €0.08 |
| Jwari ShapeshifterThe List Tokens · WWK-32 | The List Tokens | WWK-32 | Rare | €5.27 |