Deck Helper comment: This deck was posted before the 1.32 game update and as a result may work very differently now. Use at your own risk.
The deck:Hover over cards for details, click for permalink
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So I was intrigued by the updates to Nymphs casting cost and put together this deck. It was designed to damage FGs in three primary ways-
(1) Air Nymph + SOR + Quint = Unstable Gas
(2) Purple Nymph + Dark Nymph = heals you, damages FG
(3) Dark Nymph + Mitosis + SOR + Quint = lots of 5/5 creatures
The real strength is mixing and matching the different strategies above to whittle the FG down...it's pretty flexible and can adapt to the FG you are facing. For instance, does the FG have a Mirror or Jade Shield? Don't use the Air Nymph to pump out Unstable Gasses, use Mitosis (+SOR) on it and go for a "cheap" army of 6/2 creatures.
The deck has 21 points of healing, spread over 3 SOGs, 1 Sanctuary and 1 Purify.
It carries three shields- Jade, Permafrost, and Skull Buckler.
It carries 2 Pulverizers for permanent control.
With 2 SN in hand, you can usually play an Hourglass, a Pulverizer, a Sanctuary, a Skull Buckler, and SOG.
The drawbacks to this deck are early rushes and/or bad quanta draws. You'll need predict how much damage you need to do before you deckout, so STOP drawing extra cards with the Hourglass (but keep putting Hourglasses on the field if the FG has permanent destruction).
Although I haven't kept strict data records, I feel it's about a 40-45% win rate, including the new FGs.
Thanks for looking.