https://i.gyazo.com/ab5051b5fc8070a63283368bcd55d1eb.jpg
The website page is not updated yet with the underlined "here", it links to an older event page from January ( https://magic.wizards.com/en/articles/archive/historic-challenge-2020-01-09 )
It's possible the rewards are the same however, and I'll update this post if they update the webpage.
10,000 gold entry fee, best-of-three match format.