A permanent which has an aura attached to it is called an enchanted permanent
There are a few other standout cards too, such as Tinybones, Trinket Thief, who is both adorable and powerful (and incredibly expensive at the moment)
The Big Four These cards are good enough to go in any green deck and have proven their power level with tournament results throughout the past three to six months
You can have more, but I recommend sticking as close to 40 cards as possible while aiming for a ratio of 24 playable cards to 16 lands, adjusting for your curve as you see fit
Eowyn's MTG debut is a very welcome one indeed, you'll be seeing her at more than a few tables
ScreenRant: Hiro Hamadas reveal as the Set Championship card is a surprise, particularly with it being a dual-ink card