Even with the rotation of Grumble, Worldshaker, a staple in any infinite Shudderwock deck, it is still possible using the new card Barista Lynchen, albeit you can no longer play them for 1 mana anymore.
The combo works as such. First you need to play out Coppertail Imposter and a Twilight Drake (or two) to be able to play a high health stealthed Shudderwock, and hope the opponent has no way of removing it, which is pretty difficult for most opponents to do. On your next turn, you play Baleful Banker on the Shudderwock, then play Barista Lynchen adding a Shudderwock and a Baleful Banker to your hand, which you can then play again on the Shudderwock on the field. Now you have a Shudderwock in your hand and 2 in your deck. Once you draw one of them from your deck you can go infinite by playing Shudderwocks one at a time, constantly adding copies to your hand and deck using Barista Lynchens and Baleful Bankers battlecrys from Shudderwock. The Shudderwock copies don't even return to your hand, so you can slowly build up a board of 6 attack minions.