| Name | Cost | Price |
|---|---|---|
| Oakhame Adversary | $0.21 | |
| Oakhollow Village | $0.49 | |
| Oak Street Innkeeper | $0.13 | |
| Oashra Cultivator | $0.05 | |
| Oasis | $0.29 | |
| Oathkeeper, Takeno's Daisho | $17.49 | |
| Oath of Chandra | — | |
| Oath of Eorl | $0.33 | |
| Oath of Ghouls | $7.55 | |
| Oath of Kaya | $1.13 | |
| Oath of Lieges | $4.23 | |
| Oath of Liliana | $0.45 | |
| Oath of Nissa | $0.33 | |
| Oathsworn Giant | $0.48 | |
| Oathsworn Vampire | $0.18 | |
| Obeka, Splitter of Seconds | $0.32 | |
| Obelisk of Bant | $0.16 | |
| Obelisk of Esper | $0.19 | |
| Obelisk of Grixis | $0.14 | |
| Obelisk of Jund | $0.30 | |
| Obelisk of Undoing | $16.38 | |
| Obliterate | — | |
| Oblivion Crown | $0.35 | |
| Oblivion Ring | $0.17 |