Sagas try to tell the arc of a story over the course of the card and will have comic panels to convey the mechnanics and story moving along
This would not include any custom art and be a normal order
Just open the template, swap the art, change the texts, update the mana symbols and your custom deck is ready to print
So if she is played multiple times, it will happen every time
Day becomes night when a player casts no spells during their own turn, and night becomes day when a player casts at least two spells during their own turn
The most rare, and most valuable one is the three-color Neon Ink variant, which has a less than 1% chance of opening a Special Guest card at all, and an even smaller chance of opening this three-colored iteration.