It would be very unlikely to draw all 4 before the match is over with this deck, and the reason for so many is because it is a key point in my strategy. At most, I would take one out. Right now, since it's not finished, my deck has 3 Black Holes, and I can almost always afford to use it by turn 3 or 4 at least, but I don't always have it in my hand.
Rewind could be useful, but I'm not sure whether or not it would be better to focus on slowing the enemy down with it or speeding myself up with a Precognition. I tried Sundials, but all they usually did was to give the opponent more time.
As for the Pegasus, it would be nice to fit some light in there somehow, but the Pegasus needs to use it's special to be worthwhile IMO, and all the air quanta is reserved for defense.
EDIT: I tried switching out the the pillars for Precognitions. All it did was basically reduce the size of my deck and make it much more dependent on the Supernovas and getting those first 2 entropy quanta. The first test was against an AI3 darkness deck which put out a devourer before I got my second entropy quanta - game over.