| Bone Picker | AKH-81 |
| Bone Saw | OGW-161 |
| Bone Shards | MH2-76 |
| Bone Shredder | ULG-49 |
| Bone Splinters | M20-92 |
| Bonecrusher Giant // Stomp | ELD-291 |
| Bonecrusher Giant // Stomp | ELD-115 |
| Bonehoard | CMA-211 |
| Bonesplitter | MRD-146 |
| Bonus Round | BBD-56 |
| Bookwurm | STX-123 |
| Boomerang | MIR-56 |
| Boompile | C16-52 |
| Boon of Emrakul | EMN-81 |
| Boonweaver Giant | M15-5 |
| Boots of Speed | AFR-133 |
| Borborygmos Enraged | GTC-147 |
| Borderland Explorer | C18-133 |
| Borderland Ranger | E02-31 |
| Boreal Druid | CSP-105 |
| Boros Challenger | GRN-156 |
| Boros Elite | GK1-78 |
| Boros Guildgate | GRN-243 |
| Boros Reckoner | GK1-85 |
| Borrowed Grace | EMN-14 |
| Borrowed Hostility | EMN-121 |
| Borrowing 100,000 Arrows | A25-45 |
| Bottle Gnomes | TMP-278 |
| Bottle Gnomes | CM2-177 |
| Boulder Salvo | OGW-102 |
| Bounding Krasis | ORI-212 |
| Boundless Realms | M13-162 |
| Bountiful Promenade | BBD-81 |
| Bow of Nylea | THS-153 |
| Brago, King Eternal | EMA-198 |
| Brago's Representative | CNS-14 |
| Braid of Fire | CSP-78 |
| Braids, Conjurer Adept | PLC-36 |
| Brain Freeze | SCG-29 |
| Brain Weevil | DDJ-58 |
| Brainstorm | A25-46 |
| Brainstorm | SS1-3 |
| Brallin, Skyshark Rider | C20-4 |
| Bramblewood Paragon | MOR-115 |
| Branchloft Pathway // Boulderloft Pathway | ZNR-258 |
| Brand | USG-176 |
| Brass's Bounty | RIX-94 |
| Brazen Borrower // Petty Theft | ELD-281 |
| Brazen Buccaneers | XLN-134 |
| Brazen Wolves | EMN-122 |