Behind the colorful graphics and intense gameplay of every successful arena battler lies a complex, invisible mathematical engine.

While this conspiracy theory is widespread, the reality is much more mundane and focused entirely on mathematical fairness.
Trophy and Rating Systems
Most modern strategy games utilize a modified version of the Elo rating system, originally designed for professional chess.

This is why winning streaks inevitably end in a 'wall' of difficult matches; the system is functioning exactly as intended.
There is no 'anti-deck' conspiracy.If you face a hard counter, it is pure statistical variance.AI opponents ensure instant queue times for beginners. The Problem of Card Levels
The standard Elo system works perfectly for chess because all pieces are equal, but tower rush games feature upgradeable cards.

However, if no such player is available, the algorithm will prioritize queue speed over level fairness, resulting in those frustrating, mismatched games.
System PrioritySignificanceElo RatingAbsolute Highest PriorityKing Level / Card LevelsThe system tries to match levels, but will abandon this check if the queue takes longer than 10 seconds True Fairness
This is why all true esports tournaments and competitive challenges utilize the 'Tournament Standard' ruleset.

Trust the math, ignore the conspiracy theories, and focus on improving your own gameplay.