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As Phyrexian Revoker enters the battlefield, choose a nonland card name.
Activated abilities of sources with the chosen name can't be activated.
Activated abilities are written in the form "Cost: Effect." Some keywords are activated abilities (such as equip) and will have colons in their reminder texts. Static and triggered abilities of sources with the chosen name are unaffected.
Phyrexian Revoker's ability affects sources with the chosen name no matter what zone they are in. For example, a cycling ability of a card with the chosen name can't be activated from hand.
