Okay, so I was looking at those stone skins in the vault, and trying to think of a good deck that would use them. How about something like this:
deck name: Welcome to The Rock.
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I played it against a halfblood to test and I would have beat it if it hadn't used mindgate to get my eternity and time pends :p The idea is to just sit there and take everything your opponent dishes out, mitigating it where possible with procrastination shield and the wardens. Earthquake slows down the opponent (though I think maybe this could be removed? not sure if it's worth it) and Eternity is used to rewind a warden to avoid deckout, and the primary win condition is decking out the opponent. Hourglasses speed through the deck, stoneskins keep your ass alive, and the enchant artifacts are for either eternity and procrastination vs permanent control, or the pendulums vs earthquakes. Save a warden for eternity deckout prevention if against creature control. Use eternity on opponent's creatures sparingly, as doing so gives them more turns before deckout; best done on things like evolved shriekers or stuff played off immo/nova, otherwise I wouldn't rewind any opponent's creatures unless you need to do so to survive.
One problem I did find with the quanta balance is that in the early game, you need time quanta pretty badly, to get the hourglasses and procrastination out, but later on in the game, you don't need it very much at all. Using towers would help the early game, but might harm it in the late game where you need lots of earth for stoneskins.
Except for the wardens, we already have everything we need for this deck in the vault. For the upgrades, either the hourglasses or procrastinations are probably best, to save on early game time quanta.