If you cast a spell before its on the battlefield (including if you cast this card somehow during an opponents turn), the ability wont trigger
It turns out that that card works similarly: scrying helps you find more action, which results in creatures trading more, which keeps the whole engine going and eventually youve substantially out-drawn your opponent
However, the set has a few hidden gems that people tend to overlook since their eyes glaze over the minute people see the Orb of Ulgrotha set symbol on a card
In Magic: The Gathering, where the collector market considers cards to be investments it's frankly barbaric to play an actual game with, the equivalent is an unofficial format called Sharpie Cube, or Redacted Cube
That player discards a card
Lets move on to the last and final core set of the year, Emperors in the New World