Shamans can now use their hero power even if all four basic totems are already on board!
Ever since Hearthstone’s release, if a Shaman had all four basic totems on the board, their hero power could not be used. It felt very restrictive and unnecessary, and I’m glad they finally made this change.
Here’s Zeddy’s video showing the change.
This change was confirmed to be intentional by Aleco, a HS dev!