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A fairly simple rainbow rush using a wide variety of creatures. The Fate Eggs work surprisingly well - the combined damage of the other creatures is often enough to pull through despite the occasional bad Hatch. Mutation can be used to improve bad hatches, and occasionally a nymph or dragon will come into play early.
Mass CC, Earthquake and Black Hole can create problems, as can an early Otyugh. However, if your opponent's free of them you should have a fun and potentially very interesting match.
***TRIALS RESPONSE***
As an alternative...
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I don't know if this deck really NEEDS 6 Novas to work perfectly. I mean, if you think about it, 1 or 2 might be okay for busting out some of the other creatures, but placing in 6 of them for Quantum Pillars is just bad because they have a higher chance of messing up the mulligan against RT users (Rainbows that rely mostly on Supernova for example to get their creatures out suffer from quanta withdrawal once they play and pay against Rewind). The above deck adds two extra time cards (one time pillar and one time pendulum) just to throw off potential earthquake users, as well as (hopefully) getting out those Fate Eggs faster.
I also took out Gravity Pull and put in Otyugh (just for light CC), assuming you want a little bit of control in there. I also agreed with 714's notion that a mummy for a fog shield swap was a good idea; Fallen Elf over Mutation seemed more reliable (and allows you to use more :life quanta when you can), and I dropped a Phase Spider for an extra Nova. 12 quanta sources might be overkill in a 'Rushy' rainbow deck, but with all the types of creatures you need to be pumping out, I'd rather be on the safer side of actually deploying the offense than having them all in my hand waiting for that one bit of quantum.