Use cost_mod script for Dread Corsair
Use cost_mod script for Dread Corsair

Fixes #206

liujimj/fireplace,smallnamespace/fireplace,amw2104/fireplace,jleclanche/fireplace,Meerkov/fireplace,beheh/fireplace,smallnamespace/fireplace,amw2104/fireplace,liujimj/fireplace,Ragowit/fireplace,Ragowit/fireplace,Meerkov/fireplace,NightKev/fireplace