The phrase "come strong" means to appear or perform in a powerful and impressive manner. There are several synonyms that can be used in its place, including "deliver a knock-out performance," "dominate the competition," "bring your A-game," "make a statement," "impress with your prowess," "show your strength," "make an impact," "dazzle the audience," "be at the top of your game," "show your true colors," "rise to the occasion," and "show off your skills." All of these phrases convey a sense of power, dominance, strength, and skill, capturing the essence of what it means to "come strong".