What do you think Jeff's got up his sleeve? A 12 hour one-handed cut-a-thon perhaps? Post your thoughts in the comments below!
From the Browser's Den of Magic Twitter feed:
I've never attempted to do anything like this before!!! - http://t.co/PFbOTxlug6 - Save This Date - April 12th, 2015 (9am-9pm) #Magic
— The Browser's Den (@theBrowsersDen) December 11, 2014