Theres a concept called "Copy hacking".
Basically it just means analyzing high-performing emails or landing pages.
Then you extract their structure, frameworks & core psychological triggers and adapt those elements into your own marketing.
As a copywriter you should easily understand these 3 elements, now it's just about "reading" and "analyzing" other copy you don't know how to write yet, copy their elements and put them into your own copy in the right order.
EASY