Source: Reddit thread
I was looking at his deck-list and he only uses Shieldmaiden and Dr Boom from GvG with the rest being mainly the current Control Warrior cards, unlike Firebat's version from Deck Wars S3. I think another good GvG legendary will be Troggzor because he is so difficult to get rid. Sjow also explains his card choices in a write-up over at HearthPwn.
