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Intruder Alarm
STH · Stronghold #34 · Rare · released 1998-03-02
{2}{U}
Enchantment
Creatures don't untap during their controllers' untap steps.
Whenever a creature enters, untap all creatures.
Mirri was startled by Volrath's apparition—it had no scent.
Intruder Alarm is a rare blue enchantment from Stronghold (1998). It has been printed 7 times across 6 sets, from 1998 to 2025. Recent market prices range from $4.26 to $108.00 depending on printing and finish. It is legal in Modern, Legacy, Vintage, Commander, Oathbreaker, Brawl and Penny Dreadful.
USD$6.48
Format legality
Where you can play Intruder Alarm in sanctioned and popular formats.
StandardNot legal
PioneerNot legal
ModernLegal
LegacyLegal
VintageLegal
CommanderLegal
PauperNot legal
OathbreakerLegal
HistoricBanned
BrawlLegal
Penny DreadfulLegal
All printings (7)
Prices range from $4.26 to $108.00 across finishes. Cheapest printing: Avatar: The Last Airbender Eternal at $4.26.
| Set | No. | Rarity | Price | Foil |
|---|---|---|---|---|
| Stronghold This page | 34 | Rare | $6.41 | — |
| Eighth Edition | 86★ | Rare | — | $108.00 |
| Eighth Edition | 86 | Rare | $5.75 | — |
| The List | 8ED-86 | Rare | — | $5.93 |
| Secret Lair Drop | 229 | Rare | $13.02 | $13.05 |
| Wilds of Eldraine: Enchanting Tales | 21 | Rare | $4.98 | $5.83 |
| Avatar: The Last Airbender Eternal | 15 | Mythic | $4.26 | $5.39 |
More from Stronghold
Rulings
Official rulings from Wizards of the Coast (1).
- 2023-09-01If multiple creatures enter the battlefield at one time, this ability triggers once for each of those creatures.
Frequently asked questions
Is Intruder Alarm legal in Commander?
Yes — Intruder Alarm is legal in Commander (EDH).
What formats is Intruder Alarm legal in?
Intruder Alarm is legal in Modern, Legacy, Vintage, Commander, Oathbreaker, Brawl and Penny Dreadful.
How many times has Intruder Alarm been printed?
Intruder Alarm has been printed 7 times across 6 sets, from 1998 to 2025.
What is the cheapest printing of Intruder Alarm?
The cheapest printing is Avatar: The Last Airbender Eternal (#15) at about $4.26.
Who illustrated Intruder Alarm?
This printing of Intruder Alarm was illustrated by Donato Giancola.