| Jaheira's RespiteCommander Legends: Battle for Baldur's Gate · 238 | Commander Legends: Battle for Baldur's Gate | 238 | Rare | €0.75 |
| Jaheira's RespiteCommander Legends: Battle for Baldur's Gate · 589 | Commander Legends: Battle for Baldur's Gate | 589 | Rare | €1.06 |
| Jaheira's RespiteBattle for Baldur's Gate Promos · 238s | Battle for Baldur's Gate Promos | 238s | Rare | €0.89 |
| JailbreakNew Capenna Commander · 17 | New Capenna Commander | 17 | Rare | €0.28 |
| JailbreakNew Capenna Commander · 118 | New Capenna Commander | 118 | Rare | $0.48 |
| JailbreakNew Capenna Commander Promos · 17p | New Capenna Commander Promos | 17p | Rare | €0.60 |
| Jalira, Master PolymorphistMagic 2015 · 64 | Magic 2015 | 64 | Rare | $0.31 |
| Jalum GrifterUnglued · 47 | Unglued | 47 | Rare | €0.79 |
| Jalum TomeClassic Sixth Edition · 294 | Classic Sixth Edition | 294 | Rare | $0.32 |
| Jalum TomeFifth Edition · 382 | Fifth Edition | 382 | Rare | $0.29 |
| Jalum TomeSeventh Edition · 303 | Seventh Edition | 303 | Rare | €0.24 |
| Jalum TomeSeventh Edition · 303★ | Seventh Edition | 303★ | Rare | $0.27 |
| Jalum TomeChronicles Foreign Black Border · 101 | Chronicles Foreign Black Border | 101 | Rare | €3.89 |
| Jalum TomeCommander 2014 · 242 | Commander 2014 | 242 | Rare | €0.13 |
| Jalum TomeChronicles · 101 | Chronicles | 101 | Rare | $0.40 |
| Jalum TomeCommander Anthology Volume II · 194 | Commander Anthology Volume II | 194 | Rare | €0.13 |
| Jalum TomePro Tour Collector Set Tokens · ll54 | Pro Tour Collector Set Tokens | ll54 | Rare | €0.60 |
| Jalum TomePro Tour Collector Set Tokens · ll54sb | Pro Tour Collector Set Tokens | ll54sb | Rare | €0.60 |
| James, Wandering Dad // Follow HimFallout · 31 | Fallout | 31 | Rare | €0.23 |
| James, Wandering Dad // Follow HimFallout · 375 | Fallout | 375 | Rare | €0.50 |
| James, Wandering Dad // Follow HimFallout · 559 | Fallout | 559 | Rare | $0.93 |
| James, Wandering Dad // Follow HimFallout · 903 | Fallout | 903 | Rare | €1.23 |
| Jamie McCrimmonDoctor Who · 105 | Doctor Who | 105 | Rare | €0.13 |
| Jamie McCrimmonDoctor Who · 397 | Doctor Who | 397 | Rare | $0.30 |
| Jamie McCrimmonDoctor Who · 710 | Doctor Who | 710 | Rare | €0.47 |
| Jamie McCrimmonDoctor Who · 988 | Doctor Who | 988 | Rare | €0.35 |
| Jandor's RingRevised Edition · 256 | Revised Edition | 256 | Rare | $0.55 |
| Jandor's RingArabian Nights · 64 | Arabian Nights | 64 | Rare | €19.50 |
| Jandor's RingForeign Black Border · 256 | Foreign Black Border | 256 | Rare | €2.98 |
| Jandor's RingSummer Magic / Edgar · 256 | Summer Magic / Edgar | 256 | Rare | — |
| Jandor's SaddlebagsRevised Edition · 257 | Revised Edition | 257 | Rare | €0.78 |
| Jandor's SaddlebagsFourth Edition Foreign Black Border · 330 | Fourth Edition Foreign Black Border | 330 | Rare | €3.64 |
| Jandor's SaddlebagsFourth Edition · 330 | Fourth Edition | 330 | Rare | €0.39 |
| Jandor's SaddlebagsFifth Edition · 383 | Fifth Edition | 383 | Rare | €0.48 |
| Jandor's SaddlebagsSeventh Edition · 304 | Seventh Edition | 304 | Rare | €0.45 |
| Jandor's SaddlebagsSeventh Edition · 304★ | Seventh Edition | 304★ | Rare | $0.59 |
| Jandor's SaddlebagsArabian Nights · 65 | Arabian Nights | 65 | Rare | €33.71 |
| Jandor's SaddlebagsForeign Black Border · 257 | Foreign Black Border | 257 | Rare | €2.36 |
| Jandor's SaddlebagsSummer Magic / Edgar · 257 | Summer Magic / Edgar | 257 | Rare | — |
| Jan Jansen, Chaos CrafterCommander Legends: Battle for Baldur's Gate · 277 | Commander Legends: Battle for Baldur's Gate | 277 | Rare | €0.33 |
| Jan Jansen, Chaos CrafterCommander Legends: Battle for Baldur's Gate · 424 | Commander Legends: Battle for Baldur's Gate | 424 | Rare | €0.19 |
| Jan Jansen, Chaos CrafterCommander Legends: Battle for Baldur's Gate · 535 | Commander Legends: Battle for Baldur's Gate | 535 | Rare | €0.21 |
| Jan Jansen, Chaos CrafterBattle for Baldur's Gate Promos · 277s | Battle for Baldur's Gate Promos | 277s | Rare | €1.12 |
| Jan Jansen, Chaos CrafterAlchemy Horizons: Baldur's Gate · 235 | Alchemy Horizons: Baldur's Gate | 235 | Rare | — |
| Jarad's OrdersReturn to Ravnica · 175 | Return to Ravnica | 175 | Rare | $0.78 |
| Jarad's OrdersPioneer Masters · 390 | Pioneer Masters | 390 | Rare | — |
| Jared Carthalion, True HeirCommander Legends · 281 | Commander Legends | 281 | Rare | €0.15 |
| Jared Carthalion, True HeirCommander Legends · 601 | Commander Legends | 601 | Rare | €0.24 |
| Jared Carthalion, True HeirThe List Tokens · CMR-281 | The List Tokens | CMR-281 | Rare | €0.08 |
| Jared Carthalion, True HeirMagic Online Promos · 86232 | Magic Online Promos | 86232 | Rare | — |