Lets Show are demand by heading over and on posting the blizzard forums
Posted by "name removed" know that Blizzard never made a game for Linux but this game must support it!
Zeriyah Community Manager
"We do not have plans to support Linux at this time. However, if there is a great demand for it from our community, we may consider supporting it in the future"
http://us.battle.net/hearthstone/en/for ... 9454215522
http://phoronix.com/forums/showthread.p ... and-for-it
for once Linux user let flood the Blizzard Forums