Phyrexian Revoker [Magic 2015]

Set: Magic 2015 Type: Artifact Creature — Horror Rare Cost: {2} As Phyrexian Revoker enters the battlefield, choose a nonland card name. Activated abilities of sources with the chosen name can't be activated. "To be in the presence of a revoker is to be truly alone." —Kara Vrist, Neurok agent