It seems with each patch the graphics for Hearthstone get more and more "unstable" and break apart the interface with blips of white or popping textures not to mention the awesome new feature I see at the beginning and end of each match (as pictured).

https://www.dropbox.com/s/n4jlvaz34rshmcq/hs-graphics.png

This problem has existed on both my mid-2010 iMac and new late-2013 iMac both running 10.9.1.

Any ideas?