That means the overall card has a red and white colour identity, so can only be used with Commanders that have red and white in their colour identity (Boros, Mardu, Naya, or Jeskai)
In limited play this looks like it would have been awesome during its time
If one or more opponents had the highest result, this creature cant attack those players or planeswalkers they control this combat
Now this is based off experience and research rather than behind the scenes info, not having actually gone into the game's code or spoken personally with the developers, but having tested it substantially in the game, it seems as though the cards you draw are set in stone the moment you select "Open a Pack", no matter which of the packs available you pick, bent top or not
The Crown Zenith series of cards is set in the Galar region and is focused around the concept of "Zenith Rising," which brings the game to a new level of strategy and competitiveness
While the power level and potential swinginess may be offputting to some, if your Cube is already running haymakers like Jace, The Mind Sculptor, and Umezawa's Jitte, this card will be right at home