Magic card prices · Mox LedgerOutlaws of Thunder Junction: Breaking News
| Backfire | Fourth Edition | — | Uncommon | $0.30 | $0.27 | — | — |
| Backlash | The List Reprints | 234/350 | Uncommon | $0.99 | $0.99 | — | — |
| Backslide | Onslaught | 70 | Common | $0.25 | $0.23 | $1.13 | $1.18 |
| Backup Agent | Streets of New Capenna | 2 | Common | $0.20 | $0.15 | $0.25 | $0.20 |
| Bad Ass | Unhinged | 49 | Common | $0.33 | $0.27 | — | — |
| Bad Deal | Core Set 2021 | 89 | Uncommon | $0.27 | $0.27 | $0.36 | $0.35 |
| Bad Deal | The List Reprints | 089/274 | Uncommon | $0.25 | $0.17 | — | — |
| Bad Knight | Un-Known Event Playtest Cards | — | Promo | $25.00 | — | — | — |
| Bad Moon | Commander: Foundations | 87 | Rare | $0.31 | $0.30 | — | — |
| Bad Wolf Bay | Planechase: Universes Beyond: Doctor Who | 569 | Token | $0.99 | $0.82 | — | — |
| Badgermole | Avatar: The Last Airbender | 166 | Common | $0.21 | $0.16 | $0.27 | $0.26 |
| Bag Check | Unfinity | 36 | Common | $0.20 | $0.05 | $0.25 | $0.13 |
