The presence of luck-based mechanics in a strategy game can be both a blessing and a massive frustration.

However, it still exists in subtle ways that can completely alter the outcome of a very close match.
The Luck of the Draw
The most prominent RNG element in card-based battlers is the initial four cards you are dealt at the start.

By ensuring a healthy mix of low-cost cycle cards, they guarantee they will always have some form of defense.
Make the best play available with what you have.Remove the guesswork from the mid-game.It prevents matches from feeling perfectly scripted. 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.
Battler CategoryRandomness ImpactAuto-ChessSkill comes from long-term statistical managementStandard Tower RushHighly skill-dependent after the first 30 seconds Embracing the Chaos
Getting angry at a bad starting hand only causes you to make further mistakes and lose the match entirely.

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