As Set Lead Art Director, Im responsible for creating guides for each set I work with concept artists and our Worldbuilding Art Director to prepare example artwork that we use to steer the look and feel for each set, as well as ensure our artists understand whats needed before they get started
Sweepers galore against the aggro decks, check
While a piece of equipment like Grafted Exoskeleton might let Kediss make short work of whoever you didn't swing Ishai at, I think a Strionic Resonator is more likely to not get instantly removed
However, I like the art of our first Battle enough to not be that harsh
This allows the card to potentially be cast for a single blue mana like the aforementioned Ancestral Recall
Abilities that trigger when a permanent turns face up wont trigger, because even though you revealed the card, it never turned face up