12 cards where the set is “blb”

Lumra, Bellow of the Woods (Bloomburrow #183)
Mabel, Heir to Cragflame (Bloomburrow #224)
Mountain (Bloomburrow #274)
Mountain (Bloomburrow #275)
Mountain (Bloomburrow #276)
Mountain (Bloomburrow #277)
Lumra, Bellow of the Woods (Bloomburrow #293)
Mabel, Heir to Cragflame (Bloomburrow #336)
Lumra, Bellow of the Woods (Bloomburrow #342)
Mabel, Heir to Cragflame (Bloomburrow #351)
Bria, Riptide Rogue (Bloomburrow #379)
Byrke, Long Ear of the Law (Bloomburrow #380)

Though this query has ended, its relics still slumber in New Argive.