I actually was thinking of doing content for this game. I built a competitive deck last night, including what is the most expensive card so far, and spent $35 doing it. I'm confident in it and am going to start playing online tonight.
It should be noted, that if you don't like the game after the two tutorial games you can decline the starter decks and packs and ask for a refund.
I think my favorite part of the game is that it makes non interactive play impossible. You have to engage in combat which means even control decks have to interact with combat. No turtling and refusing combat in this game. So while control is powerful in this game it's a lot more engaging.