The "Shadowless" designation is related to a particular printing characteristic found on the cards
She is a mana dork that lets you add a couple of +1 counters to the creature you use her to cast
The other major change is one players have been aware for some time now, and that is a change of flavor and balance
Firstly, triggering an attack from your active Pokmon will end your turn automatically, so make sure you've done everything you wanted to before you attack
For one, a ton of green tutors, Chord of Calling, Finale of Devastation, etc., are on the watch list
WB supports a slower, attrition-based strategy on the back of cards like Barrow Witches and Smitten Swordmasters Adventure, Curry Favor