Breaking the timing restriction on sorceries makes them significantly more powerful
The goal of the deck is to flood the board with a variety of token artifacts -- clues from Tireless Tracker, thopters from Sharding Sphinx, treasures from Pain Distributor, and so on -- and utilizing them in unique ways, such as tapping them for mana with Inspiring Statuary, drawing cards with Shimmer Dragon, and dealing damage with Ghirapur Aether Grid
That said, five colors of mana is far too big of an ask in a regular 2-color Limited format
With all this considered it is hard to justify a cube slot for this gold card even if it is exceptionally good
The constraints of filling your deck with creatures are just a bit extreme
(Target land you control becomes a 0/0 creature with haste thats still a land