Hearthpwn

U could just read some o the comments in this thread there are plenty of answers for ur question. 

Well first impressions got fortified. The Game looks really good. I like the art, i like the gameplay and also im into the Lol lore enough to enjoy also this part of the game. Overall it looks just awesome. Now with the new patchnotes and the upcoming nerfs for rasa/ledros/elusive/fearsome it is looking like riot knows how to handle balancing in the future. (those were rly strong cards that got a nerf that is fine and not exagerated). I guess LoR is my new CCG!

The difference is at least for now that u get a huge amount of rewards for leveling the factions and so on. I didnt spent a cent till now and im still able to create 5 rly good decks. Playin for like 2 weeks and playing around 3-4 games a day on average.

Also i really like the wildcard mechanic and keep in mind that u can obtain them from ur faction reward or ur weakly vault. So it isnt to hard to get some and trade them for the specific card u need, imo this rly improves the posibilty to create ur favorite deck(s) without having to spend money. Yet for me it seems that the shard currency is a lil bit to high atleast champion cards (100 common 3000 champion for example)

Overall im having a lot of fun with LoR atm and barely touch hs (tbh i think i logged 2-3 times into hs over my smartphone at work and i bet i would had started LoR instead if it would be avaible on phone alrdy).