From the release:
Cryptozoic Entertainment, leading creator of board games, trading cards, and collectibles, and Warner Bros. Consumer Products, on behalf of DC Entertainment, today announced the release of DC Deck-Building Game Crossover Pack 6: Birds of Prey. The expansion for the popular DC Deck-Building Game series allows players to play as the popular all-female DC Super Hero team the Birds of Prey. The team utilizes a brand-new “Rotated Cards” mechanic.
“Lots of the cards in the set have Ongoing, so they stay in play turn after turn,” said Matt Hyra, Lead Game Designer at Cryptozoic. “They can be rotated through card effects and they keep that rotation. When they rotate upright, you get a big bonus, and they remain in play to do it all over again!”
Each player chooses a Birds of Prey Super Hero to play as—Oracle, Black Canary, Huntress, Catwoman, Katana, or Batwoman—and then they shuffle in the pack’s 23 new main deck cards into any DC Deck-Building Game base set, instantly adding all-new Equipment, Villain, Hero, Super Power, and Location cards. The pack even comes with eight Super-Villains for the Birds of Prey to battle.