First i totally quote Submachine.
After i've tested this deck (nymphs were unupped, but it's the same), i can state it has another big issue: it deals a very low damage.
It's fast thanks to hourglasses and nymphs, but only 3 creatures and an eternity are too few to deal damage, and your quanta production + high cost creature don't allow you to prevent deckout.
Moreover, flooding is useless until you've out at least 4 QT, while a lonely Oty is an hard CC too weak.
And last but not least, i see well that flooding + bone walls could be a nice combo, but vs AI3 i menaged that combo only once over 10-15 games.
Conclusion: a crappy deck that deals a very low damage and exploits a combo that it's very hard to run and usually it comes at the end of the match (most of the times SoG's keep you alive); it reminds me to a more weird and unbalanced version of
Chapuz Ragequit Factory