While unquestionably weaker then the original version, Dracogenius fulfills a different niche in the format, allowing players to play a "fair" version of Niv-Mizzet, drawing cards and pinging away while being less prone to having explosive turns or combo'ing off, thus being better suited to more casual tables and less likely to become the archenemy of playgroups
With Tapu Koko-GX Code you get the following Cards in the PTCG Live 1 Tapu Koko GX SM33
While this will mostly be relevant in casual play, it's worth pointing out that if you have a Naban, Dean of Iteration on the battlefield, every Wizard that enters the battlefield will trigger Warstorm Surge, Fathom Mage, Angelic Chorus, and Purphoros, God of the Forge (among others) an additional time, which opens up an entirely different layer of deck-building potential that was missing with Panharmonicon, which only triggered abilities on artifacts and creatures
Speaking of engines, Resurrection Orb is nuts
Too many high-cost spells lead to slow starts, while too many low-cost spells and you run out of steam in the late game or flood if you run more lands than the deck realistically needs