| Jace's Archivist | M12-59 |
| Jace, Wielder of Mysteries | WAR-54 |
| Jace, Vryn's Prodigy // Jace, Telepath Unbound | ORI-60 |
| Jace, Telepath Unbound Emblem | TORI-12 |
| Izzet Signet | MM3-223 |
| Izzet Guildgate | GRN-251 |
| Izzet Boilerworks | IMA-241 |
| Izzet Boilerworks | GK1-47 |
| Ixidor, Reality Sculptor | ONS-89 |
| Ixalan's Binding | XLN-17 |
| Iwamori of the Open Fist | A25-174 |
| Ivy Lane Denizen | DDU-12 |
| Ith, High Arcanist | TSP-241 |
| Iterative Analysis | CNS-6 |
| Isolation Zone | OGW-22 |
| Isochron Scepter | MRD-188 |
| Island | MKM-279 |
| Island | JMP-46 |
| Island | JMP-52 |
| Island | LCI-396 |
| Island | BBD-251 |
| Island | JMP-47 |
| Island | WOE-269 |
| Island | AKH-258 |
| Island | JMP-50 |
| Ishkanah, Grafwidow | EMN-162 |
| Isamaru, Hound of Konda | CHK-19 |
| Irregular Cohort | MH1-15 |
| Irontread Crusher | AER-161 |
| Ironscale Hydra | THB-296 |
| Ironhoof Ox | P02-130 |
| Iron Myr | SOM-168 |
| Iroas's Champion | ORI-214 |
| Iroas, God of Victory | C16-205 |
| Iridescent Blademaster | MOM-195 |
| Irenicus's Vile Duplication | CLB-78 |
| Ire Shaman | A25-137 |
| Ior Ruin Expedition | E01-25 |
| Iona's Judgment | IMA-25 |
| Invoke the Divine | DOM-22 |
| Invisible Stalker | ZNC-27 |
| Invisible Stalker | ISD-60 |
| Invisibility | M15-61 |
| Invigorating Surge | M21-190 |
| Invigorated Rampage | AER-86 |
| Invigorate | MMQ-254 |
| Invigorate | A25-173 |
| Inventors' Fair | KLD-247 |
| Invasive Surgery | SOI-68 |
| Invasion Plans | STH-89 |