US Supreme Court - Writ of Certiorari

The US Supreme Court has nearly complete discretion to decide which cases it will hear. Explain which attributes are most likely to get the petitioner a coveted writ of certiorari from the US Supreme Court? (Note: not what attributes are likely to get the petitioner the outcome she/he desires---only to get his/her case heard).  Include reference from link

https://www.scotusblog.com/2020/02/academic-highlight-the-odd-party-out-theory-of-certiorari/?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+scotusblog%2FpFXs+%28SCOTUSblog%29

Discussion post, min 150 words with references