Fix card.buff() calls
Fix card.buff() calls

Fixes #40

smallnamespace/fireplace,amw2104/fireplace,butozerca/fireplace,Meerkov/fireplace,liujimj/fireplace,amw2104/fireplace,NightKev/fireplace,Meerkov/fireplace,beheh/fireplace,jleclanche/fireplace,liujimj/fireplace,Ragowit/fireplace,oftc-ftw/fireplace,oftc-ftw/fireplace,butozerca/fireplace,smallnamespace/fireplace,Ragowit/fireplace