15 cards where the set is “drb”

Bladewing the Risen (From the Vault: Dragons #1)
Bogardan Hellkite (From the Vault: Dragons #2)
Draco (From the Vault: Dragons #3)
Dragonstorm (From the Vault: Dragons #5)
Dragon Whelp (From the Vault: Dragons #4)
Ebon Dragon (From the Vault: Dragons #6)
Form of the Dragon (From the Vault: Dragons #7)
Hellkite Overlord (From the Vault: Dragons #8)
Kokusho, the Evening Star (From the Vault: Dragons #9)
Nicol Bolas (From the Vault: Dragons #10)
Niv-Mizzet, the Firemind (From the Vault: Dragons #11)
Rith, the Awakener (From the Vault: Dragons #12)
Shivan Dragon (From the Vault: Dragons #13)
Thunder Dragon (From the Vault: Dragons #14)
Two-Headed Dragon (From the Vault: Dragons #15)

The arc of my blade has carved a path of light to the end of these results.