1 2 "Everything Pokmon GO Players Need To Know About Elekid"
As Polygon notes, The Pokmon Company has made clear that, when fans distribute art featuring any of the companys copyrighted intellectual property, they are agreeing to a royalty-free, non-exclusive, irrevocable, transferable, sub-licensable, worldwide license that gives it the right to use, transmit, copy, modify, and display Fan Art (and its derivatives) for any purpose. Legally speaking, that means TPC would have been in the clear to keep the immersive Ho-Oh as is
This was another design choice intended to push the play of two-color decks
That is, unless you play her on top of another Ariel you already have in play
It also helps to truly emphasize the size of Zacian itself, making it appear incredibly large and imposing when near a young trainer like Hop