19 cards where the illustration contains “dragon-bone”

Bloodstained Mire (Khans of Tarkir #230)
Dragon Throne of Tarkir (Khans of Tarkir #219)
Dragon Throne of Tarkir (Khans of Tarkir Promos #219)
Efreet Weaponmaster (Khans of Tarkir #175)
Feat of Resistance (Khans of Tarkir #10)
Flooded Strand (Khans of Tarkir #233)
Frontier Bivouac (Khans of Tarkir #234)
Keldon Warlord (Limited Edition Alpha #160)
Mardu Roughrider (Khans of Tarkir #187)
Naturalize (Khans of Tarkir #142)
Polluted Delta (Khans of Tarkir #239)
Salt Road Patrol (Khans of Tarkir #21)
Sorin, Solemn Visitor (Khans of Tarkir #202)
Swamp (Khans of Tarkir #258)
Tomb of the Spirit Dragon (Khans of Tarkir #245)
Ugin's Nexus (Khans of Tarkir #227)
Venerable Lammasu (Khans of Tarkir #28)
Windswept Heath (Khans of Tarkir #248)
Wooded Foothills (Khans of Tarkir #249)

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