2022-02-18 : The target opponent doesn't choose whether to sacrifice a creature or not, although they do choose which creature they control to sacrifice.

2022-02-18 : When you repeat the process, you don't choose a new player. The same player sacrifices each of the three permanents, if able.

2022-02-18 : You repeat the process for an enchantment and a planeswalker whether the target opponent was able to sacrifice a creature or not.