WoW TCG Art
Showed up in Hearthstone as 'Resurrection'.
Showed up in Hearthstone as 'Elistra the Immortal'.
I started working on the WoW TCG back in 2010 and that followed naturally through to working on Hearthstone. Every now and then an old piece will still get picked up out of the backlog and used in Hearthstone too!
Here are a few of the cards that I still don't mind.