Hearthstone battlegrounds FIX THAT RNG AND LUCK

Firstly sorry for my english
pls fix that: For instance : Everyone going elemental demon or quilboar Just I am only one going to murloc why I DONT GET ANY MURLOC card orrrr I am going to demon that game givig me demon so okey I will go to demon then after 5 or 7 round antoher player get all demon card before sorry but what the … is that this is only LUCK game or some strategy games like that hmmm everone go to elemnet so I need to chance my build or I should move new tactic that player get demons so I need to go antoher build so bad JUST FIX that