| Jinxed IdolTempest · 293 | Tempest | 293 | Rare | $1.25 |
| Jinxed IdolTempest Remastered · 224 | Tempest Remastered | 224 | Rare | — |
| Jinxed RingThe List Tokens · STH-137 | The List Tokens | STH-137 | Rare | €0.29 |
| Jinxed RingStronghold · 137 | Stronghold | 137 | Rare | €1.01 |
| Jirina, Dauntless GeneralMarch of the Machine: The Aftermath · 32 | March of the Machine: The Aftermath | 32 | Rare | $0.42 |
| Jirina, Dauntless GeneralMarch of the Machine: The Aftermath · 82 | March of the Machine: The Aftermath | 82 | Rare | $0.54 |
| Jirina, Dauntless GeneralMarch of the Machine: The Aftermath · 132 | March of the Machine: The Aftermath | 132 | Rare | $0.56 |
| Jirina, Dauntless GeneralMarch of the Machine: The Aftermath · 167 | March of the Machine: The Aftermath | 167 | Rare | $1.01 |
| Jirina, Dauntless GeneralMarch of the Machine: The Aftermath · 212 | March of the Machine: The Aftermath | 212 | Rare | €3.12 |
| Jitte and Divining TopUnknown Event · RA02c | Unknown Event | RA02c | Rare | $45.43 |
| Jiwari, the Earth AflameSaviors of Kamigawa · 107 | Saviors of Kamigawa | 107 | Rare | €0.25 |
| J. Jonah JamesonMagicFest 2025 · 17 | MagicFest 2025 | 17 | Rare | $3.34 |
| J. Jonah JamesonMarvel's Spider-Man Promos · 81s | Marvel's Spider-Man Promos | 81s | Rare | $0.92 |
| J. Jonah JamesonMarvel's Spider-Man · 81 | Marvel's Spider-Man | 81 | Rare | €0.12 |
| J. Jonah JamesonMarvel's Spider-Man · 261 | Marvel's Spider-Man | 261 | Rare | €0.28 |
| J. Jonah JamesonThrough the Omenpaths · 88 | Through the Omenpaths | 88 | Rare | — |
| Jocasta, Automaton AvengerMarvel Super Heroes Commander · 108 | Marvel Super Heroes Commander | 108 | Rare | $0.34 |
| Jocasta, Automaton AvengerMarvel Super Heroes Commander · 439 | Marvel Super Heroes Commander | 439 | Rare | €1.82 |
| Jodah, Archmage EternalDouble Masters 2022 · 233 | Double Masters 2022 | 233 | Rare | €0.26 |
| Jodah, Archmage EternalDouble Masters 2022 · 509 | Double Masters 2022 | 509 | Rare | €6.55 |
| Jodah, Archmage EternalDominaria · 198 | Dominaria | 198 | Rare | €0.34 |
| Jodah, Archmage EternalDominaria Promos · 198s | Dominaria Promos | 198s | Rare | €1.84 |
| Jodah, the UnifierFinal Fantasy: Through the Ages · 17 | Final Fantasy: Through the Ages | 17 | Rare | €2.29 |
| Jo GrantDoctor Who · 23 | Doctor Who | 23 | Rare | €0.13 |
| Jo GrantDoctor Who · 342 | Doctor Who | 342 | Rare | €0.35 |
| Jo GrantDoctor Who · 628 | Doctor Who | 628 | Rare | €0.59 |
| Jo GrantDoctor Who · 933 | Doctor Who | 933 | Rare | €0.70 |
| JohanChronicles Foreign Black Border · 77 | Chronicles Foreign Black Border | 77 | Rare | €3.86 |
| JohanChronicles · 77 | Chronicles | 77 | Rare | $0.42 |
| JohanLegends · 236 | Legends | 236 | Rare | €14.82 |
| Johnny, Combo PlayerUnsanctioned · 23 | Unsanctioned | 23 | Rare | €0.20 |
| Johnny, Combo PlayerUnhinged · 35 | Unhinged | 35 | Rare | €1.43 |
| Joined Researchers // Secret RendezvousSecrets of Strixhaven Promos · 23p | Secrets of Strixhaven Promos | 23p | Rare | €0.14 |
| Joined Researchers // Secret RendezvousSecrets of Strixhaven · 23 | Secrets of Strixhaven | 23 | Rare | €0.20 |
| Joined Researchers // Secret RendezvousSecrets of Strixhaven · 312 | Secrets of Strixhaven | 312 | Rare | €0.31 |
| Joiner AdeptTenth Edition · 271 | Tenth Edition | 271 | Rare | €1.45 |
| Joiner AdeptFifth Dawn · 89 | Fifth Dawn | 89 | Rare | €0.85 |
| JokulhaupsClassic Sixth Edition · 192 | Classic Sixth Edition | 192 | Rare | €3.12 |
| JokulhaupsFifth Edition · 246 | Fifth Edition | 246 | Rare | €3.25 |
| JokulhaupsDeckmasters · 15 | Deckmasters | 15 | Rare | €3.58 |
| JokulhaupsIce Age · 195 | Ice Age | 195 | Rare | €3.43 |
| JokulhaupsOversized League Prizes · 57 | Oversized League Prizes | 57 | Rare | — |
| JokulhaupsMasters Edition · 100 | Masters Edition | 100 | Rare | — |
| JokulhaupsMagic Online Promos · 70942 | Magic Online Promos | 70942 | Rare | — |
| JokulmorderColdsnap · 37 | Coldsnap | 37 | Rare | €0.40 |
| JokulmorderThe List Tokens · CSP-37 | The List Tokens | CSP-37 | Rare | €0.50 |
| Jolene, the Plunder QueenNew Capenna Commander · 73 | New Capenna Commander | 73 | Rare | €5.51 |
| Jolene, the Plunder QueenNew Capenna Commander · 173 | New Capenna Commander | 173 | Rare | €7.62 |
| Jolene, the Plunder QueenNew Capenna Commander Promos · 73p | New Capenna Commander Promos | 73p | Rare | €9.50 |
| Jolene, the Plunder QueenThe List Tokens · NCC-73 | The List Tokens | NCC-73 | Rare | — |