Win the indicated number of matches with the Scales Of Fury deck to unlock the corresponding card for it.

Card	How to unlock
Blighting	3
Broodmate Dragon	11
Crucible of Fire	4
Demon's Horn	5
Dragon Roost	6
Dragon's Claw	7
Fervor	13
Flameblast Dragon	1
Flameblast Dragon	14
Hellkite Overlord	15
Shivan Dragon	9
Threaten	8
Violent Ultimatum	12
Wurm's Tooth	10
Wurm's Tooth	2