To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of It That Heralds the End)
Need the cards Need
(It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.") Land Windbrisk Heights Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped
With the set being such a pivotal part of the game, you can bet there are some great cards that have held on to their value
I could maybe see this being played as a two-of in the 4- and 5-colorc control decks in Modern, and it may even break into the multicolored decks in Pioneer as well