If it is Blizzard's plan to try to lure back CCG players who relegated Hearthstone to a number two game then it is a very bad idea. They will just play even less. One of advantages of Hearthstone that you can play once per three days and get a decent chunk of monthly rewards but they are taking it away.
In my opinion, HS is an extremely slick and accessible number two/casual game, and I like it exactly like this. As a competitive PC game, I find the randomness (or maybe really it's just losing to randomness) super frustrating - whereas sat on the sofa with an Ipad completing daily quests I'm absolutely fine to get my ass handed to me by a ridiculous draw or a lucky Puzzle Box etc. Striving to be the best possible - or at least the most prolific - hearthstone player I can be isn't really something that appeals
Does anyone know how many games/hours it might take to grind out the 1000-2000 exp required to go up a level? Presumably this is the same exp mechanic as for unlocking golden classic cards. My Illidan is only about level 30 so I'm guessing I'd be nowhere near getting to the end of that chart over 4 months :(
For me, HS is brilliant as a pick up and play for 10-20mins at a time, and occasionally - once or twice a month maybe - I'll play for 2-4 hours and gain constructed ranks, usually stopping at rank 5 / D5. I really enjoy it as a casual game that I can pick up more competitively from time to time, and by completing quests and buying preorders, I'm never short on cards for constructed play.
The proposed system potentially sounds great for those who are truly dedicated to HS and want to play it as their main game. But, if you want to treat it as a light, casual experience for short sessions most of the time, this system is going to screw you over - as you'll no longer be able to pick up a lot of easy gold from the quests, and be forced to grind for experience instead.
For me, replacing quests with this sort of system could easily kill my interest in HS.