When you get near the end of the game, there are ways where you can easily farm AP and Spheres in order to fill the Sphere Grid quickly, which you will want to do to take on the games superbosses
Not sure Id run it in the zone, but its good in the 99
It costs seven Ink to play, but its effect is worthwhile
Even if Vivi isn't on the battlefield, your creatures help to make up the difference by providing token creatures or excess mana generation to make it easier to cast multiple spells a turn
Thanks again to Ravensburger for providing the decks
Nana, Darling Family Pet is the perfect card to partner with the likes of Rapunzel, Gifted Artist and Grand Pabbie, Oldest and Wisest - which both have abilities that trigger when damage is removed - thanks to the fact that she can remove all damage from another character whenever you play a Floodborn character