FOILCheapest priced copy (Avatar: The Last Airbender Eternal): $3.99 at Card Kingdom, near mint, their price list as of .
Intruder Alarm 
Enchantment · Rare · Eighth Edition · #86★
Creatures don't untap during their controllers' untap steps.
Whenever a creature enters, untap all creatures.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
7 printings · $3.99 to $79.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eighth Edition | 86 | Rare | $6.49 | — |
| Eighth Edition | 86★ | Rare | — | $79.99 |
| The List | 8ED-86 | Rare | — | $5.49 |
| Secret Lair Drop | 229 | Rare | $15.99 | $14.99 |
| Stronghold | 34 | Rare | $7.49 | — |
| Avatar: The Last Airbender Eternal | 15 | Mythic | $3.99 | $6.99 |
| Wilds of Eldraine: Enchanting Tales | 21 | Rare | $4.49 | $7.99 |
One ruling from Wizards of the Coast
- 1 September 2023If multiple creatures enter the battlefield at one time, this ability triggers once for each of those creatures.