People have a bad habit of presenting Elsha of the Infinite decks at casual tables, claiming that they built it to do fun spellslinger stuff, and then just cramming Sensei's Divining Top in the deck anyway
The payoffs for Paradox vary per instance
Aside from the pull rates, the high demand for this set made it equally hard to find on store shelves, unless you sat around waiting to catch store restocks the moment they happened
P/T Number 309 Language English Legal Formats Commander, Historic, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Pauper, Pioneer, Standard, Timeless Rulings (3/19/2021) If for some reason you can't win the game (because your opponent has cast Angel's Grace this turn, for example), you won't lose for having tried to draw a card from a library with no cards in it
Turns out this is already a solution that Wizards is employing