| Name | Cost | Price |
|---|---|---|
| Isamaru, Hound of Konda | $3.99 | |
| Isengard Unleashed | $2.83 | |
| Ishai, Ojutai Dragonspeaker | — | |
| Ishgard, the Holy See // Faith & Grief | $1.79 | |
| Ishkanah, Grafwidow | $0.62 | |
| Isildur's Fateful Strike | $0.27 | |
| Island | $0.05 | |
| Island Fish Jasconius | $0.80 | |
| Island Sanctuary | $5.00 | |
| Isochron Scepter | $13.12 | |
| Isolate | $0.11 | |
| Isolated Chapel | $0.40 | |
| Isolation at Orthanc | $0.12 | |
| Isolation Zone | $0.02 | |
| Isperia's Skywatch | $0.06 | |
| Isperia, Supreme Judge | $0.30 | |
| Isperia the Inscrutable | $0.35 | |
| Isshin, Two Heavens as One | $4.25 | |
| Isu the Abominable | $4.83 | |
| Item Crate | — | |
| Iterative Analysis | $0.13 | |
| Ith, High Arcanist | $0.22 | |
| It'll Quench Ya! | $0.21 | |
| It of the Horrid Swarm | $0.13 |