| Jolted Awake | 509 |
| Jolted Awake (16 variants) | 33 |
| Jet Medallion (16 variants) | 346 |
| Jet Medallion (16 variants) | 292 |
| Izzet Generatorium | 515 |
| Izzet Generatorium (16 variants) | 191 |
| It That Heralds the End (16 variants) | 385 |
| It That Heralds the End (16 variants) | 9 |
| Island (16 variants) | 312 |
| Island | 499 |
| Island (16 variants) | 305 |
| Island | 500 |
| Island (16 variants) | 313 |
| Invert Polarity (10 variants) | 459 |
| Invert Polarity (16 variants) | 190 |
| Inventor's Axe (16 variants) | 126 |
| Inspired Inventor (16 variants) | 32 |
| Infernal Captor (16 variants) | 125 |
| Indebted Spirit (16 variants) | 31 |
| Imskir Iron-Eater (16 variants) | 374 |
| Imskir Iron-Eater (16 variants) | 431 |
| Imskir Iron-Eater (5 variants) | 488 |
| Imskir Iron-Eater (16 variants) | 189 |
| Idol of False Gods (16 variants) | 210 |
| Hydroelectric Specimen // Hydroelectric Laboratory (16 variants) | 240 |
| Hydra Trainer (16 variants) | 159 |
| Horrific Assault (16 variants) | 157 |
| Horrid Shadowspinner (16 variants) | 188 |
| Hope-Ender Coatl (16 variants) | 64 |
| Hexgold Slith (16 variants) | 30 |
| Herigast, Erupting Nullkite (16 variants) | 362 |
| Herigast, Erupting Nullkite (16 variants) | 8 |
| Herigast, Erupting Nullkite (5 variants) | 474 |
| Harbinger of the Seas (10 variants) | 451 |
| Harbinger of the Seas (16 variants) | 63 |
| Guide of Souls (16 variants) | 29 |
| Guide of Souls (10 variants) | 448 |
| Guardian of the Forgotten (16 variants) | 28 |
| Grist, Voracious Larva // Grist, the Plague Swarm | 472 |
| Grist, Voracious Larva // Grist, the Plague Swarm (16 variants) | 446 |
| Grist, Voracious Larva // Grist, the Plague Swarm (4 variants) | 251 |
| Grim Servant (16 variants) | 409 |
| Grim Servant (16 variants) | 97 |
| Gravedig (16 variants) | 96 |
| Golden-Tail Trainer (16 variants) | 187 |
| Glyph Elemental (16 variants) | 27 |
| Glimpse the Impossible (16 variants) | 124 |
| Glasswing Grace // Age-Graced Chapel (16 variants) | 254 |
| Glaring Fleshraker (16 variants) | 7 |
| Glaring Fleshraker | 507 |