| Birds of Paradise | 92 |
| Birds of Paradise (2 variants) | 1148 |
| Birds of Paradise (2 variants) | 1147 |
| Birds of Paradise // Birds of Paradise (2 variants) | 1675 |
| Birthing Pod (2 variants) | 2349 |
| Bitterblossom | 12 |
| Bitterblossom | 1898 |
| Black Market | 1577★ |
| Black Market | 1577 |
| Black Market (2 variants) | 2485 |
| Black Panther, Wakandan King (2 variants) | 1747 |
| Blacker Lotus | 869 |
| Blade of Selves (2 variants) | 1570 |
| Blade of Selves (4 variants) | 1864 |
| Blanka, Ferocious Friend (2 variants) | 431 |
| Blasphemous Act (2 variants) | 322 |
| Blasphemous Act (2 variants) | 1756 |
| Blasphemous Act (2 variants) | 1998 |
| Blightsteel Colossus (2 variants) | 2223 |
| Blightsteel Colossus // Blightsteel Colossus (2 variants) | 1079 |
| Blind Obedience (4 variants) | 2246 |
| Blind Obedience (2 variants) | 1030 |
| Blinding Angel (2 variants) | 1379 |
| Blood (2 variants) | 2180 |
| Blood Artist | 42 |
| Blood Crypt | 125 |
| Blood Money (2 variants) | 1789 |
| Blood Moon | 366 |
| Blood Moon (2 variants) | 2288 |
| Bloodghast (2 variants) | 2351 |
| Bloodghast | 6 |
| Bloodletter of Aclazotz (2 variants) | 2502 |
| Bloodline Keeper // Lord of Lineage | 1210 |
| Bloodline Keeper // Lord of Lineage | 1157 |
| Bloody Betrayal (2 variants) | 7102 |
| Bloom Tender (2 variants) | 284 |
| Blooming Marsh (2 variants) | 1374 |
| Blur Sliver | 637 |
| Bojuka Bog | 1532 |
| Bojuka Bog | 1532★ |
| Bolas's Citadel (2 variants) | 1187 |
| Bone Splinters (2 variants) | 1037 |
| Bonescythe Sliver | 610 |
| Borne Upon a Wind (2 variants) | 2228 |
| Boros Charm (2 variants) | 1771 |
| Boros Charm (2 variants) | 217 |
| Boros Signet (2 variants) | 291 |
| Boseiju, Who Shelters All (2 variants) | 2657 |
| Boseiju, Who Shelters All | 426 |
| Botanical Sanctum (2 variants) | 1376 |