That sounds bad. Can you try changing the quality settings and playing in full-screen? If that doesn't fix it then you could head over to the forum, post some info about your machine and connection - then we can try to help. Thanks!
That's not really the definition of "pay to win". You too can "pay" to buy Cards and use them against other players. Cards only cost SILVER coins, which you earn by playing matches. That's how you convert your time into buying things.
its good to if we can buy gems with normal not with gold even it cost a lot i will still buy , having a hard time getting gems , im lvl 11 now and i only have 1 lvl 2 item : /
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Sounds like an interesting situation. Can you provide additional details in the forum? We'll look into it. Thanks!