Esper is a deck that wins by exploiting the fact that Sphinxs Revelation is the best card in the format
The Showcase versions, however, did make up for lost value and have maintained their worth heading into the March of the Machine release
Nowadays, there are multiple other answers just as efficient as Fatal Push like Prismatic Ending and Unholy Heat, and the card has been slowly replaced with these alternatives as they are just more versatile
When that creature dies this turn, create a 3/2 red and white Spirit creature token
Karoo actually lets you produce more mana with the same number of lands by returning one of your Plains to your hand, and lands like Buried Ruin can help retrieve a mana rock or another key artifact lost early in the game
In addition, blue-based control can be a tough matchup for black decks, and The Torment of Gollum can be a great tool for fighting back