| Name | Cost | Price |
|---|---|---|
| Boomer Scrapper | $0.28 | |
| Boommobile | $0.29 | |
| Boon of Boseiju | $0.20 | |
| Boon of Emrakul | $0.06 | |
| Boon of Erebos | $0.11 | |
| Boon of Safety | $0.25 | |
| Boon of the Spirit Realm | $8.56 | |
| Boon of the Wish-Giver | $0.21 | |
| Boon Reflection | $12.85 | |
| Boon Satyr | $0.17 | |
| Boosted Sloop | $0.24 | |
| Booster Tutor | $4.84 | |
| Bootleggers' Stash | — | |
| Borborygmos | $0.36 | |
| Borborygmos and Fblthp | $0.35 | |
| Borborygmos Enraged | $0.36 | |
| Border Guard | $0.17 | |
| Border Guardian | $0.11 | |
| Borderland Behemoth | $0.46 | |
| Borderland Marauder | $0.03 | |
| Borderland Ranger | $0.19 | |
| Boreal Centaur | $0.15 | |
| Boreal Druid | $5.81 | |
| Boreal Elemental | $0.14 |