Shadowverse

To opponents. It's not very fun when you mostly encounter 2-3 decks in ranked matches.

What's not fun about it? Are you unable to play high-level cards? Well, that's the point; you need to be prepared for that. Or, don't be prepared – if there are relatively few of these decks, and your strategy works better against others. It's a shield and sword, a perfectly normal and traditional confrontation.