Random Number Generation, or RNG, is a highly debated topic in almost every competitive video game genre.

However, it still exists in subtle ways that can completely alter the outcome of a very close match.
Starting Hands and Card Rotation
Your starting hand is entirely random, which can immediately put you at a massive disadvantage against an aggressive opening.

Once the initial hand is played, the rotation becomes fixed, and pure skill and memory take over.
Make the best play available with what you have.Remove the guesswork from the mid-game.It adds excitement to the viewing experience. Troop Movement Quirks
Sometimes a unit will retarget unexpectedly due to a micro-movement by another troop, completely ruining your defensive setup.

Relying on a unit's aggro range down to the exact pixel is risky because tiny bumps can alter their trajectory.
Genre TypeRNG DependencyAuto-ChessExtremely High - Relies entirely on shop rolls and item dropsStandard Tower RushMatches are decided by placement, timing, and resource tracking Embracing the Chaos
The most important skill regarding RNG is learning how to control your emotions when luck inevitably turns against you.

Focus on improving your timing and placement, and let the RNG sort itself out in the long run.