Dangit!

So i finally thought i would be able to claim some free packs and get some halfway decent cards. My hopes were immediately dashed as it read "you need to spend 10 bucks first". Oh well. I had a feeling i would have to spend some money to get anywhere better than last. Im gonna think hard on it and whether it will be worth the money.

Can anyone give me some advice as far as is this game worth investing time and money into? Thanks for any insight you can give me.