Contained in Brettspiel Adventskalender 2015 for Day 19.

1 Hawkeye Heldenfall card with German text, no dice

The card’s text translated into English: 
Once per turn, during your Main Step, you may knock out a Hawkeye die you control. If you do, you may deal damage equal to his attack divided any way you choose to your opponent’s characters.

Brand new, in packaging