It could be as low as 13 percent, but all things considered, over the long-haul, 15 percent seems about right
Running a high number of supporters as this deck does often gives you multiple choices when you use Attract Customers to look at the top 6 cards of your deck, making it much more likely to find the exact card you need when you need it most
The Ultimate Card Show is coming to you
Significant expansion of the entire Z-Cards
Many decks tried to smooth out their mana curves in order to try and make Void less devastating, but there always seemed to be a good number to choose, and the existence of quality bounce spells Repulse and Recoil meant you often had a decent read on their hand even if you hadn't looked at it directly and also made it much easier to leave them with multiple cards in the same casting cost and not take damage while building up to five
Spells/Traps you control cannot be destroyed, or banished, by your opponents card effects