Intruder Alarm

Enchantment    (CMC:3)

Creatures do not untap during their controllers' untap phases. Whenever any creature comes into play, untap all creatures.

Mirri was startled by Volrath's apparition—it had no scent.

ST • ENDonato Giancola

™ & © 1993—1998 Wizards of the Coast

Legal in: Modern,Tempest Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Intruder Alarm {2}{U} Enchantment Creatures don't untap during their controllers' untap steps. Whenever a creature enters the battlefield, untap all creatures.

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View this MTG card on Gatherer

10/4/2004
If multiple creatures enter the battlefield at one time, this ability triggers once for each creature. This doesn't matter much, but it can in some cases.

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