I like the combination of Zygarde EX and Carbink Break, though I admit, i wouldn;t want to waste the turn attacking with Carbink to get the energies back
I'm giving the deck a try myself, I was thinking of adding a red card for some disruption, it's nice as it doesn't consume a supporter role and has a possibility of throwing my opponent into a dead hand.
Personally I have seen NightQueen work very well as you can start attacking for high damage right away with the Marchers while your Queen sets up. It also isn't affected by the possibility of facing a deck that isn't weak to the eons + queen, so your focus is always the same.
It's all...
I play Octillery a ton mainly because I play decks that like to use a ton of cards quickly to set up so it's nice to have the option to draw back up to 5 without using the supporter. That being said I know some decks like Noctowl, Metagross AT, or Vileplume where you are going to always have...