What is the correct order for revealing information during setup in Riftbound (Legend, Champion, Battlefield, and determining first player)?

Ruling: Legends are revealed immediately, then Champions and Battlefields are revealed, and finally the starting player is determined by die roll.

Sequence:

• Reveal Legends so both players know the matchup
• Reveal Champions and Battlefields
• Roll die to determine who goes first
• Perform mulligan and begin

Nuances:

• The exact timing of when Battlefields are revealed is not explicitly specified in the rules, but the community consensus is that they are revealed before the die roll along with Champions