If youre insistent on hosing Auras in blue, Id suggest Evacuation, any Unsummon-type effect, Aura Flux, Kioras Dismissal, Aura Graft, Enchantment Alteration, or Fumble instead
The way Jetmir works is that once you hit various creature count thresholds you unlock a new ability
In her case, Azami also got a little help at some point from a new lab assistant, which gave her a new role as the presumptive win condition for all sorts of self-milling combo decks up until the appearance of a certain Merfolk in 2020
Green, meanwhile, gets the two Green and three colorless mana Eusocial Engineering, an Enchant with a Landfall trigger that generates 2/2 Robots
Another category that benefits from the arrival of Battles are those that allow Bounce or Blink of permanents in play, such as Kor Skyfisher in Pauper and Flickerwisp in Modern and Legacy
Cloud draws you a card for each creature that is equipped, so you want to spread your Equipment around to all your creatures