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Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.
Abilities, attacks, weakness & resistance
Other cards from Eighth Edition
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Intruder Alarm is a blue enchantment from Eighth Edition that changes how creatures untap and interacts with creature entry. It prevents creatures from untapping during their controllers' untap steps while triggering an ability that untaps all creatures whenever any creature enters the battlefield. The card enables combo and token strategies by converting creature entry into repeated untap opportunities to reuse tapped creatures and enter-the-battlefield effects.
Catalog pricing data as of 30 Apr 2026, 20:49
