Necronomicon Ex Mortis

{1},{t}, Discard a card: Put a study counter on Necronomicon Ex Mortis.

{t}, Remove three study counters from Necronomicon Ex Mortis and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black zombies in addition to their other colors and types.

"Klaatu Verata Nikto!"