No matter how one cooks it, you still have a 30 card deck. The problem I've noted is if I really need a card with this deck, it's Supernova or a tower because I have no Quanta to use. If I have no Quanta to use, then it's likely I'll not be able to use precog. If I have the Quanta I need, then precog becomes a 1 Time placeholder for a card I would have drawn naturally in its place. I figure since the cards I used in Precog's place are ones already useable in the deck the draws would be unnoticible, with the exception of Unstoppable. Also, this deck is fast enough that you don't really need to draw it out to win.
Where Precog's power really is found is in two parts. One, to be able to see what your opponent is sitting on in their hand and two, to thin out a deck of useless draws. What I mean in the second part is if you only need 10 pillars, and 16 other cards to make a deck work, you don't want to fill the other 4 spots with cards that may be dead draws so Precogs will slide into those slots nicely, thereby speeding that deck up. However, if you have cards that would fill in the other 4 slots without really noticing a loss to deck speed/efficiency, then precogs, or any card mechanic like it, becomes a middle man placeholder and can actually slow down a deck.
In my run of 100 gmes, I noted several times I played 1st turn Minor Phoenix (sometimes a Frog) with 2 drop Quanta towers and had no Time quanta to work with until the S-Novas were used. It's possible that the Minor Phoenix was the one I replaced a precog with. To balance the argument though, I concede there were times I had a tower down and at least one Time quanta, but in the long run, those times were very few and I never really saw issue with not being to use a precog at the time. Long story short, I think it's a preference thing and I tend to avoid card mechanics like precog because I've been so used to a certain, unmentioned CCG which tends to frown on using this type of mechanic without do cause.
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