| Kasmina, Enigmatic Mentor (7 variants) | 60 |
| Karn Liberated (7 variants) | 97 |
| Kari Zev, Skyship Raider (7 variants) | 562 |
| Kargan Dragonrider (7 variants) | 561 |
| Karfell Kennel-Master (7 variants) | 430 |
| Kami of Ancient Law (7 variants) | 203 |
| Kalastria Nightwatch (7 variants) | 429 |
| Justiciar's Portal (7 variants) | 202 |
| Juggernaut (7 variants) | 780 |
| Jousting Lance (7 variants) | 779 |
| Jace's Scrutiny (7 variants) | 311 |
| Jace, Arcane Strategist (7 variants) | 310 |
| Ivy Lane Denizen (7 variants) | 680 |
| Isu the Abominable (7 variants) | 12 |
| Island (7 variants) | 101 |
| Island (7 variants) | 103 |
| Island (7 variants) | 102 |
| Isamaru, Hound of Konda (7 variants) | 201 |
| Irreverent Revelers (7 variants) | 560 |
| Ironshell Beetle (7 variants) | 679 |
| Iron Bully (7 variants) | 778 |
| Iridescent Hornbeetle (7 variants) | 678 |
| Irencrag Pyromancer (7 variants) | 559 |
| Interpret the Signs (7 variants) | 309 |
| Instruments of War (7 variants) | 50 |
| Inspiring Overseer (7 variants) | 200 |
| Inspiring Cleric (7 variants) | 199 |
| Inner Demon (7 variants) | 428 |
| Ingenious Leonin (7 variants) | 5 |
| Infiltration Lens (7 variants) | 777 |
| Infernal Idol (7 variants) | 49 |
| Infantry Veteran (7 variants) | 198 |
| Improvised Weaponry (7 variants) | 558 |
| Imperious Perfect (7 variants) | 677 |
| Imperial Recovery Unit (7 variants) | 197 |
| Imperial Aerosaur (7 variants) | 196 |
| Impending Doom (7 variants) | 557 |
| Impeccable Timing (7 variants) | 195 |
| Immersturm Raider (7 variants) | 556 |
| Ilysian Caryatid (7 variants) | 676 |
| Ill-Gotten Inheritance (7 variants) | 427 |
| Ignite the Future (7 variants) | 555 |
| Icebind Pillar (7 variants) | 308 |
| Ib Halfheart, Goblin Tactician (7 variants) | 554 |
| Hydra's Growth (7 variants) | 89 |
| Hunter's Edge (7 variants) | 675 |
| Hungry Flames (7 variants) | 553 |
| Hunger of the Howlpack (7 variants) | 674 |
| Howlgeist (7 variants) | 673 |
| Howl of the Hunt (7 variants) | 672 |