Does Regal Bearing use the previous bid, or the 1 bid, to determine how many cards are drawn?

Just now, Bayushi Shunsuke said:

Does Regal Bearing use the previous bid, or the 1 bid, to determine how many cards are drawn?

You draw based on the difference between your new bid of 1 and the bid your opponent has, not the difference between your previous bid and your opponent’s.

[Tyler Parrott, Jul 10 2019]