Invoke Prejudice was the biggest elephant in the room because it literally had the word prejudice in the name and robed figures many people associate with one of the most notorious hate groups in history
If you have a mana source, an untap effect, and a tap effect that eventually ends the game, Gogo can get you the win
While it doesn't give you as many cards as some other options, in Amber, card draw is harder to come by
On the flip side, Leyline of the Void is more relevant in Modern right now than Crucible of Worlds and Scapeshift were last summer
You might not be copying every creature you drop, but you at least have a chance to while this is on the board
I'm willing to announce when the combo is assembled and ready to start, to give everyone a turn cycle to react, and reduce the use of Opposition to creatures and artifacts