Will it dominate cEDH
While its more expensive than Panharmonicon , the addition of an instant spell that can copy your activated or triggered abilities is quite nice and I think it helps justify the increased cost
Maybe you only own one or two Reserved List cards, and maybe theyre not actually that good, but theyre special precisely because of how unique they are
With sets seemingly being released every few minutes, a billion formats to choose from, and almost 30 years worth of cards to sift through, simply shuffling up and drawing your first hand is often the biggest hurdle
Heliod, Sun-Crowned Heliod definitely gives you the best rate among all the new Gods, as a 5/5 for three mana is just nuts (look at the success of old Thassa, God of the Sea)
Blue Otters, Frogs, Birds, and Rats are based in blue mana, and bring with them all manner of spellslinging and flying strategies