Playing in practice mode allows you to test out new strategies, try out new tactics, & build confidence in your skills without having to worry about winning or losing. Take Advice from Youruumyr Errors. Also, practice mode offers a low-stakes setting where you can assess your gameplay and learn from your mistakes. Practice mode enables you to concentrate on particular elements of your gameplay without any time limits or outside influences, whether you want to practice creating sequences and sets, practice making better decisions, or work on your card arrangement.