I approve that a friends list would be great to see, but I feel like your approach is really just getting this game as similar to hearthstone as possible. I admit, I've come from Hearthstone as well, but wouldn't something more different than it be great? Spectating and a friends list is a must, yes, but we could stick out of quests, maybe try something like achievements? Those would be something to work for, instead of waiting each day in a repetitive manner to get another pack and another pack.