The newly revealed card is part of the Hero, Princess, Floodborn and Sapphire Ink categories, which serve as keywords for cards in Disney Lorcana and may place restrictions onto whether the card can be included in certain deck-builds
You can also check out the full card listing, set, and product details, plus the release and event calendar
For the low cost of nothing (at least in terms of card economy), you get a creature that blocks almost all early-game creatures
Theme boosters are intended for constructed formats, where buying a theme booster for your deck's colors gives you a nice, hefty chunk of cards ready to slot in
Card draw can be a little inconsistent with this deck so A Whole New World is a handy last resort and can be played as early as turn three with an Aurora Shift