If the target of an Aura is destroyed in response to you casting the Aura, the Aura will have no effect and go to the graveyard
Sometimes when we want to test something, we don't leave it to chance
What really caught my interest, is the meaning of the cards are they are a hybrid of Star Wars and The Wizard of Oz
In that case, the plan is to fill the board with damage thanks to Double Gunner, then in one turn, KO Jirachi with Double Gunner and/or Radiant Alakazam, then Manaphy with Yoga Loop, and then use G-Max Rapid Flow
Legendary Creature - Human Shaman Color tag templates(None) Kazuul, Tyrant of the Cliffs Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays