Cryptozoic DC deck-building game crossover crisis 6 birds of prey card game is add this crossover pack to any DC comics deck-building game to play as the preeminent all-female covert ops team birds of prey. Founded by black canary and oracle the birds of prey are made up of fierce intelligent and brave superheroes who operate in the shadows to protect the citizens of gotham city and beyond. The birds of prey have appeared in over 350 comic book issues and continue to be a fan favorite super team.