| Incinerating Blast (12 variants) | 90 |
| Infernal Vessel (12 variants) | 63 |
| Infestation Sage (12 variants) | 64 |
| Ingenious Leonin (6 variants) | 495 |
| Inspiration from Beyond (12 variants) | 43 |
| Inspiring Call (12 variants) | 226 |
| Inspiring Overseer (6 variants) | 496 |
| Inspiring Overseer | 736 |
| Inspiring Paladin (12 variants) | 18 |
| Into the Roil (6 variants) | 509 |
| Involuntary Employment (12 variants) | 203 |
| Island (12 variants) | 275 |
| Island (12 variants) | 284 |
| Island (12 variants) | 285 |
| Island (12 variants) | 274 |
| Izzet Guildgate | 691 |
| Jazal Goldmane (6 variants) | 497 |
| Joraga Invocation (6 variants) | 555 |
| Joust Through (12 variants) | 19 |
| Juggernaut (12 variants) | 255 |
| Jungle Hollow (12 variants) | 263 |
| Kaito, Cunning Infiltrator (12 variants) | 358 |
| Kaito, Cunning Infiltrator | 424 |
| Kaito, Cunning Infiltrator | 434 |
| Kaito, Cunning Infiltrator (12 variants) | 44 |
| Kaito, Cunning Infiltrator | 418 |
| Kalastria Highborn | 753 |
| Kalastria Highborn | 607 |
| Kargan Dragonrider | 762 |
| Kargan Dragonrider (6 variants) | 541 |
| Kellan, Planar Trailblazer (8 variants) | 466 |
| Kellan, Planar Trailblazer (12 variants) | 91 |
| Kellan, Planar Trailblazer | 392 |
| Kellan, Planar Trailblazer (12 variants) | 330 |
| Kindled Fury (6 variants) | 542 |
| Kiora, the Rising Tide (12 variants) | 309 |
| Kiora, the Rising Tide (8 variants) | 455 |
| Kiora, the Rising Tide | 377 |
| Kiora, the Rising Tide (12 variants) | 45 |
| Kitesail Corsair | 743 |
| Kitesail Corsair (6 variants) | 510 |
| Knight of Grace | 576 |
| Knight of Malice | 608 |
| Koma, World-Eater (12 variants) | 347 |
| Koma, World-Eater | 408 |
| Koma, World-Eater (12 variants) | 121 |
| Koma, World-Eater (8 variants) | 480 |
| Krenko, Mob Boss (12 variants) | 204 |
| Kykar, Zephyr Awakener (12 variants) | 122 |
| Kykar, Zephyr Awakener | 409 |