| Jaheira, Merciful HarperAlchemy Horizons: Baldur's Gate · 16g | Alchemy Horizons: Baldur's Gate | 16g | Uncommon | — |
| Jaheira, Ruthless HarperAlchemy Horizons: Baldur's Gate · 16b | Alchemy Horizons: Baldur's Gate | 16b | Uncommon | — |
| Jaheira's RespiteCommander Legends: Battle for Baldur's Gate · 238 | Commander Legends: Battle for Baldur's Gate | 238 | Rare | €0.68 |
| Jaheira's RespiteCommander Legends: Battle for Baldur's Gate · 589 | Commander Legends: Battle for Baldur's Gate | 589 | Rare | €1.09 |
| Jaheira's RespiteBattle for Baldur's Gate Promos · 238s | Battle for Baldur's Gate Promos | 238s | Rare | €0.89 |
| Jaheira, Stirring HarperAlchemy Horizons: Baldur's Gate · 16r | Alchemy Horizons: Baldur's Gate | 16r | Uncommon | — |
| JailbreakNew Capenna Commander · 17 | New Capenna Commander | 17 | Rare | $0.34 |
| JailbreakNew Capenna Commander · 118 | New Capenna Commander | 118 | Rare | $0.47 |
| JailbreakNew Capenna Commander Promos · 17p | New Capenna Commander Promos | 17p | Rare | €0.60 |
| Jailbreak SchemeOutlaws of Thunder Junction · 53 | Outlaws of Thunder Junction | 53 | Common | €0.03 |
| Jakub Šlemr BioWorld Championship Decks 1997 Tokens · js0a | World Championship Decks 1997 Tokens | js0a | — | $2.79 |
| Jakub Šlemr Bio (1999)World Championship Decks 1999 Tokens · js0a | World Championship Decks 1999 Tokens | js0a | — | $0.99 |
| Jakub Šlemr DecklistWorld Championship Decks 1997 Tokens · js0b | World Championship Decks 1997 Tokens | js0b | — | $3.83 |
| Jakub Šlemr Decklist (1999)World Championship Decks 1999 Tokens · js0b | World Championship Decks 1999 Tokens | js0b | — | $4.49 |
| Jalira, Master PolymorphistMasters 25 · 63 | Masters 25 | 63 | Uncommon | $0.26 |
| Jalira, Master PolymorphistMagic 2015 · 64 | Magic 2015 | 64 | Rare | €0.28 |
| Jalira, Master PolymorphistThe List Tokens · A25-63 | The List Tokens | A25-63 | Uncommon | €0.12 |
| Jalira's ShowBlack Lotus Unknown Planechase · PLA029 | Black Lotus Unknown Planechase | PLA029 | Common | — |
| Jalum GrifterUnglued · 47 | Unglued | 47 | Rare | €0.86 |
| 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 | €0.23 |
| Jalum TomeSeventh Edition · 303★ | Seventh Edition | 303★ | Rare | $0.27 |
| Jalum TomeAnthologies · 68 | Anthologies | 68 | Uncommon | €0.36 |
| Jalum TomeAntiquities · 54 | Antiquities | 54 | Uncommon | €10.40 |
| Jalum TomeChronicles Foreign Black Border · 101 | Chronicles Foreign Black Border | 101 | Rare | €3.89 |
| Jalum TomeThe Brothers' War Retro Artifacts · 24 | The Brothers' War Retro Artifacts | 24 | Uncommon | €0.03 |
| Jalum TomeThe Brothers' War Retro Artifacts · 87 | The Brothers' War Retro Artifacts | 87 | Uncommon | €0.11 |
| Jalum TomeThe Brothers' War Retro Artifacts · 87z | The Brothers' War Retro Artifacts | 87z | Uncommon | €118.47 |
| 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 TomeCommander Legends · 318 | Commander Legends | 318 | Common | €0.05 |
| Jalum TomeDominaria Remastered · 226 | Dominaria Remastered | 226 | Common | €0.06 |
| 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 |
| Jalum TomeRinascimento · 127 | Rinascimento | 127 | Uncommon | €1.25 |
| James, Wandering Dad // Follow HimFallout · 31 | Fallout | 31 | Rare | €0.21 |
| James, Wandering Dad // Follow HimFallout · 375 | Fallout | 375 | Rare | €0.51 |
| James, Wandering Dad // Follow HimFallout · 559 | Fallout | 559 | Rare | $0.93 |
| James, Wandering Dad // Follow HimFallout · 903 | Fallout | 903 | Rare | €1.32 |
| Jamie McCrimmonDoctor Who · 105 | Doctor Who | 105 | Rare | €0.08 |
| 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 |
| Jamming DeviceUnstable · 192 | Unstable | 192 | Uncommon | €0.07 |
| Jamuraan LionMedia and Collaboration Promos · 1996-3 | Media and Collaboration Promos | 1996-3 | Common | €3.65 |
| Jamuraan LionVisions · 10 | Visions | 10 | Common | €0.16 |
| Jandor, Fortuned TravelerMystery Booster Commander Edition · 42 | Mystery Booster Commander Edition | 42 | Rare | €3.72 |
| Jandor's RingRevised Edition · 256 | Revised Edition | 256 | Rare | $0.54 |