"Flashforward [cost]" means "You may cast this card from exile by paying [cost] rather than paying its mana cost" and "If the flashforward cost was paid, put this card on the bottom of its owner's library instead of putting it anywhere else any time it would leave the stack." You must still follow any timing restrictions and permissions, including those based on the card's type
That defense is definitely something that Moana needs, because with 3 Lore points gained per turn when she Quests, shell definitely be a target for Challenges from your opponent
Sai, Master Thopterist is a key piece of most artifact decks that run blue
At mythic, both Modern and casual demand should keep it close to $30
Adeline, Resplendent CatharAdeline, Resplendent Cathar, Xerex Strobe-KnightXerex Strobe-Knight, Aryel, Knight of WindgraceAryel, Knight of Windgrace, Hero of BladeholdHero of Bladehold, and more are all here to give you a burgeoning, unstoppable army