The only strike against Wonder is that the two best blue archetypes in OTJ draft were blue-white and blue-green, and blue-white decks tended to have mostly flying creatures to begin with, making Wonder often redundant
Your curve demands an answer from turn one, and the weight of your curve is way too brutal for most decks to handle
However, its definitely lacking on the Amber side of things, with really only Be Our Guest standing out as a competitively viable card, as well as Hades Lord of the Underworld
But lets real, how many decks run Crucible of Worlds that arent green
This is just my list, yours is just as valid
Stand Together is a hero-themed deck that showcases a number of incredible synergies, including some that - knock on wood - are destined to become staples in the meta