I myself buy light shields then a ability or two then stick with the classic, But people say to buy a ghost in pistol round? What do you guys think?

Hi, i recently played a competitive match in valorant and i saw someone type colored text. I would love to learn how to do it. If anyone has info please let me know ! https://preview.redd.it/e7z6l6vaeju61.png?width=360&format=png&auto=web...