7x3 (powerlifting) or less sets more reps for hypertrophy
and a bicep movement or 2 of your choice for 2-3 sets.
That usually works pretty well but everyone is different. Long story short, I try to stick to 2-3 main or compound exercises with 1-2 accessory exercises. anyone should feel free to correct me cause I dont want to be giving bad advice, this is just what ive been taught