Let's say that I have Jadzi, Oracle of Arcavios on the battlefield.
What happens if I cast some instant or sorcery spell, reveal the top card of my library and it happens to be Ingenious Mastery?
According to Jadzi, I can cast a nonland card by paying 1C rather than paying its mana cost. But what does it mean to Ingenious Mastery? Will my opponents create two Treasure tokens, and do Scry 2, and how many cards will I draw, and why?