| Bitterthorn, Nissa's AnimusMarch of the Machine Commander · 132 | March of the Machine Commander | 132 | Rare | €9.15 |
| Bitterthorn, Nissa's AnimusSecrets of Strixhaven Commander · 343 | Secrets of Strixhaven Commander | 343 | Rare | €4.56 |
| Bitter TriumphStore Championships · 42 | Store Championships | 42 | Rare | $0.79 |
| Bituminous BlastMagic Player Rewards 2010 · 7 | Magic Player Rewards 2010 | 7 | Rare | €0.40 |
| Bjorna, Nightfall AlchemistUniverses Within · 2 | Universes Within | 2 | Rare | €0.24 |
| Bjorna, Nightfall AlchemistSecret Lair Drop Tokens · 344 | Secret Lair Drop Tokens | 344 | Rare | $3.70 |
| Blackblade ReforgedThe Brothers' War Retro Artifacts · 6 | The Brothers' War Retro Artifacts | 6 | Rare | €1.21 |
| Blackblade ReforgedThe Brothers' War Retro Artifacts · 69 | The Brothers' War Retro Artifacts | 69 | Rare | €2.28 |
| Blackblade ReforgedThe Brothers' War Retro Artifacts · 69z | The Brothers' War Retro Artifacts | 69z | Rare | €157.74 |
| Blackblade ReforgedCommander Legends · 457 | Commander Legends | 457 | Rare | €0.38 |
| Blackblade ReforgedDominaria United Commander · 178 | Dominaria United Commander | 178 | Rare | €0.63 |
| Blackblade ReforgedDominaria · 211 | Dominaria | 211 | Rare | €1.51 |
| Blackblade ReforgedNeon Dynasty Commander · 146 | Neon Dynasty Commander | 146 | Rare | €0.44 |
| Blackblade ReforgedDominaria Promos · 211p | Dominaria Promos | 211p | Rare | €1.62 |
| Blackblade ReforgedDominaria Promos · 211s | Dominaria Promos | 211s | Rare | €1.98 |
| Blackblade ReforgedThe List Tokens · SS2-8 | The List Tokens | SS2-8 | Rare | €4.31 |
| Blackblade ReforgedSignature Spellbook: Gideon · 8 | Signature Spellbook: Gideon | 8 | Rare | €2.02 |
| Blackblade ReforgedZendikar Rising Commander · 107 | Zendikar Rising Commander | 107 | Rare | €0.36 |
| Blackblade ReforgedMagic Online Promos · 77949 | Magic Online Promos | 77949 | Rare | — |
| Black Bolt, Inhuman KingMarvel Super Heroes Commander · 76 | Marvel Super Heroes Commander | 76 | Rare | €0.21 |
| Black Bolt, Inhuman KingMarvel Super Heroes Commander · 394 | Marvel Super Heroes Commander | 394 | Rare | €0.76 |
| Black CarriageHomelands · 42 | Homelands | 42 | Rare | $0.84 |
| Black Cat, Cunning ThiefMarvel's Spider-Man Promos · 52s | Marvel's Spider-Man Promos | 52s | Rare | €2.09 |
| Black Cat, Cunning ThiefMarvel's Spider-Man · 52 | Marvel's Spider-Man | 52 | Rare | €0.30 |
| Black Cat, Cunning ThiefMarvel's Spider-Man · 222 | Marvel's Spider-Man | 222 | Rare | €0.64 |
| Black Cat, Cunning ThiefThrough the Omenpaths · 74 | Through the Omenpaths | 74 | Rare | — |
| Blackcleave CliffsDuskmourn: House of Horror Commander · 263 | Duskmourn: House of Horror Commander | 263 | Rare | €1.80 |
| Blackcleave CliffsPhyrexia: All Will Be One · 248 | Phyrexia: All Will Be One | 248 | Rare | $1.87 |
| Blackcleave CliffsPhyrexia: All Will Be One · 370 | Phyrexia: All Will Be One | 370 | Rare | $2.24 |
| Blackcleave CliffsOutlaws of Thunder Junction Commander · 272 | Outlaws of Thunder Junction Commander | 272 | Rare | $2.10 |
| Blackcleave CliffsPhyrexia: All Will Be One Promos · 248p | Phyrexia: All Will Be One Promos | 248p | Rare | €1.91 |
| Blackcleave CliffsPhyrexia: All Will Be One Promos · 248s | Phyrexia: All Will Be One Promos | 248s | Rare | $2.57 |
| Blackcleave CliffsScars of Mirrodin · 224 | Scars of Mirrodin | 224 | Rare | €2.66 |
| Blacker LotusOversized League Prizes · 47 | Oversized League Prizes | 47 | Rare | €102.90 |
| Blacker LotusSecret Lair Drop Tokens · 869 | Secret Lair Drop Tokens | 869 | Rare | €175.87 |
| Blacker LotusUnglued · 70 | Unglued | 70 | Rare | €20.36 |
| Black HoleUnfinity · 67 | Unfinity | 67 | Rare | €0.17 |
| Black HoleUnfinity · 353 | Unfinity | 353 | Rare | €0.41 |
| Black KnightFriday Night Magic 2002 · 4 | Friday Night Magic 2002 | 4 | Rare | €14.93 |
| Black KnightOversized League Prizes · 31 | Oversized League Prizes | 31 | Rare | — |
| Blacklance ParagonThrone of Eldraine · 79 | Throne of Eldraine | 79 | Rare | €0.23 |
| Blacklance ParagonThrone of Eldraine · 351 | Throne of Eldraine | 351 | Rare | $0.73 |
| Blacklance ParagonThrone of Eldraine Promos · 79p | Throne of Eldraine Promos | 79p | Rare | €0.30 |
| Blacklance ParagonThrone of Eldraine Promos · 79s | Throne of Eldraine Promos | 79s | Rare | €0.64 |
| Black LotusUnlimited Edition · 233 | Unlimited Edition | 233 | Rare | $6,500.00 |
| Black Lotus30th Anniversary Edition · 228 | 30th Anniversary Edition | 228 | Rare | €2,277.81 |
| Black Lotus30th Anniversary Edition · 525 | 30th Anniversary Edition | 525 | Rare | €7,500.00 |
| Black LotusCollectors' Edition · 233 | Collectors' Edition | 233 | Rare | $1,800.00 |
| Black LotusIntl. Collectors' Edition · 233 | Intl. Collectors' Edition | 233 | Rare | €2,727.48 |
| Black LotusLimited Edition Alpha · 232 | Limited Edition Alpha | 232 | Rare | €33,768.47 |