So FFG has just published the dates for the 2019 - 2020 Prime championships for North America. Winner get a Worlds invite. Top pair get a box.
After that, Top 4 Rebels get a Leia card, top 4 Imperials get a Grand Inquisitor card, and top 4 Mercenary get a Bossk card (as if we didn't get like 15 of them a while back), but they are the new red design,m which means they will be X-wing sized 63.5mm cards, not IA 58.5mm cards.
Top 8 get a new plastic Spectre Cell with errata, and top 32 get a Gamorrean Guard card.
Full page here. Prime Championship News Article