Your Opening Hand And When To Mulligan As mentioned, this deck needs you to quickly get a decent amount of Pirates and locations out, so make sure you have a few in your opening hand
I imagine the best way to use this is to identify someone else at the table who would really want a new hand, see how much mana they can assist you with, and then leave only enough mana to cast Game Plan with assistance
Both Qumulox and Broodstar being double blue are just far too onerous on the deck and building aroudn them properly would lead to a very different (and much weaker) sort of deck
Mind's Eye If we go purely by card-drawing efficiency, Mind's Eye is one of the greatest artifacts for Commander, letting you draw at the very least three extra cards per turn as long as you have available mana
Adventure Lands Ishgard, the Holy See Jidoor, Aristocratic Capital Lindblum, Industrial Regency Midgar, City of Mako Zanarkand, Ancient Metropolis The adventure lands are far more exciting than the towns
Ghave is known for his ability to recycle your creatures by turning them back into counters and vice versa whenever you need