| Island | JMP-47 |
| Island | WOE-269 |
| Island | AKH-258 |
| Island | JMP-50 |
| Isochron Scepter | MRD-188 |
| Isolation Zone | OGW-22 |
| Iterative Analysis | CNS-6 |
| Ith, High Arcanist | TSP-241 |
| Ivy Lane Denizen | DDU-12 |
| Iwamori of the Open Fist | A25-174 |
| Ixalan's Binding | XLN-17 |
| Ixidor, Reality Sculptor | ONS-89 |
| Izzet Boilerworks | IMA-241 |
| Izzet Boilerworks | GK1-47 |
| Izzet Guildgate | GRN-251 |
| Izzet Signet | MM3-223 |
| Jace, Telepath Unbound Emblem | TORI-12 |
| Jace, Vryn's Prodigy // Jace, Telepath Unbound | ORI-60 |
| Jace, Wielder of Mysteries | WAR-54 |
| Jace's Archivist | M12-59 |
| Jace's Phantasm | IMA-60 |
| Jackal Pup | A25-139 |
| Jade Avenger | MH2-167 |
| Jade Mage | M12-181 |
| Jadelight Ranger | RIX-136 |
| Jalira, Master Polymorphist | A25-63 |
| Jared Carthalion, True Heir | CMR-281 |
| Jaspera Sentinel | KHM-178 |
| Jaya Ballard, Task Mage | TSP-166 |
| Jaya, Venerated Firemage | WAR-135 |
| Jaya's Immolating Inferno | DOM-133 |
| Jazal Goldmane | DMC-102 |
| Jedit Ojanen of Efrava | PLC-131 |
| Jeering Homunculus | CN2-33 |
| Jeskai Sage | FRF-38 |
| Jet Medallion | TMP-292 |
| Jetmir's Garden | SNC-250 |
| Jewel Thief | SNC-151 |
| Jhoira of the Ghitu | DDS-1 |
| Jhoira of the Ghitu | FUT-157 |
| Jin-Gitaxias, Core Augur | NPH-37 |
| Jinxed Ring | STH-137 |
| Jodah's Avenger | TSR-72 |
| Join Shields | GRN-181 |
| Jokulmorder | CSP-37 |
| Jolrael, Mwonvuli Recluse | M21-191 |
| Joraga Treespeaker | ROE-190 |
| Jötun Grunt | CSP-8 |
| Jötun Owl Keeper | CSP-9 |
| Journey to Eternity // Atzal, Cave of Eternity | RIX-160 |