Cards · Mox Ledger · Mox LedgerPromo Pack: Tarkir: Dragonstorm
| Bilbo's Ring | Universes Beyond: The Lord of the Rings: Tales of Middle-earth | 298 | Rare | $15.60 | $15.59 | — | — |
| Bind | Invasion | 182 | Rare | $4.97 | $5.63 | $28.45 | $24.99 |
| Biogenic Ooze | Promo Pack: Theros Beyond Death | 122 | Mythic | $9.19 | $6.24 | $50.87 | $6.99 |
| Biophagus | Universes Beyond: Warhammer 40,000 | 87 | Rare | $16.90 | $16.79 | — | — |
| Bird Token | 30th Anniversary Edition | 4 | Token | $14.25 | $12.86 | — | — |
| Birds of Paradise | Commander: The Lord of the Rings: Tales of Middle-earth | 235 | Rare | $12.95 | $12.80 | — | — |
