Once upon a time, Lando was great. Meta, even. He and Wedge are the reason for the proliferation of counter effects, most notably on Chaze, Phoenix, and CLS.
However, Lando is past his prime. If you have him left over from back in the day, he's definitely worth using. But he's not worth actively pursuing or investing more heavily anymore.
That said, for the lineup you have? I'd be more concerned with the complete lack of a tank. ST Han isn't a great tank, but he's okay. With Yolo, Qi'ra, and Nest, you can do enough damage.