In preparations for all the packs we're going to be opening soon, I created this little bit of code to do the opening for me.  

EXPLANATION OF CODE.  This code opens X number of packs while you sit back and watch, or just go to the bathroom or whatever.  

CODE FOUND HERE:  JUST COPY-PASTE IT AS DESCRIBED BELOW
https://pastebin.com/q09XSR9A

INSTRUCTIONS 

Prestep.  Be at least a little familiar with programming code.
Prestep.  Look at all your card screens in Hearthstone to clear out the 'New' tags so that you can see what cards you got after they are all opened (optional)
Prestep.  Have Hearthstone Open Packs screen open
Prestep.  Set your screen resolution to 1920x1080 

STEP 1. Go here:  http://introcs.cs.princeton.edu/java/windows/
STEP 2. Follow instructions to install Dr. Java
STEP 3. Copy-Paste the code below and save as .java file
STEP 4. Find this code and Enter the number of packs you want to open:  int numPacks = 3; 
STEP 5. Find this code and Enter 'True' or 'False' if you want to take a screenshot of each pack
STEP 5. Click Compile button
STEP 6. Click Run button
STEP 7. Click on the Open Packs screen in Hearthstone.  Don't just alt-tab to it.  Alt-Tab, and then Click anywhere on it as well.
STEP 8. Sit back and relax while your packs are opened.  Go get coffee, go to workout, have sex, smoke a cigarette, whatever you want.

Feel free to modify as you see fit if you know what you're doing.  

I'm in position and you are welcome ;-)

CODE:
https://pastebin.com/q09XSR9A