Quick Answer

Intruder Alarm is a rare Enchantment from 8ED (8ED) costing {2}{U}. Current price: $2.9 USD. Legal in Modern. Legal in Commander.

Intruder Alarm MTG card

Intruder Alarm

Enchantment

Card Text

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

One footstep among many is silent. One footstep alone is deafening.

Card Stats

rare CMC: 3.0 8ED 8ED 🎨 Luca Zontini

Market Prices

TCGPlayer
$2.90
Normal
Buy
TCGPlayer
$70.48
Foil
Buy
Card Kingdom
$5.99
Normal
Buy
Card Kingdom
$32.99
Foil
Buy
Cardmarket
€2.47
Normal
Buy
Cardmarket
€10.36
Foil
Buy
Prices updated: 2025-12-04

Format Legality

Brawl Legal
Commander Legal
Duel Legal
Gladiator Legal
Historic Banned
Legacy Legal
Modern Legal
Oathbreaker Legal
Penny Legal
Predh Legal
Premodern Legal
Timeless Legal
Vintage Legal

Similar Cards

Other Printings (7 total)

Community Stats

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Comments

Often Played With

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Frequently Asked Questions

What is Intruder Alarm? Basics

Intruder Alarm is a Enchantment card from the Magic: The Gathering trading card game.

Its ability reads: "Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures."

How much mana does Intruder Alarm cost to cast? Basics

Intruder Alarm has a mana cost of {2}{U}, which equals 3.0 total mana (converted mana cost/mana value).

It requires U mana to cast.

What does mana cost mean in Magic: The Gathering? Basics

Mana cost is the amount and type of mana required to cast a spell in Magic: The Gathering.

Intruder Alarm's mana cost of {2}{U} means you need to pay that much mana from your lands or other sources.

Colored symbols (W=White, U=Blue, B=Black, R=Red, G=Green) must be paid with that specific color, while numbers can be paid with any color.

What is converted mana cost (CMC) or mana value? Basics

Converted mana cost (now officially called "mana value") is the total amount of mana in a card's mana cost, regardless of color.

Intruder Alarm has a mana value of 3.0. This is important for effects that care about a spell's total cost, like cascade or cards that say "mana value 3 or less."

What is oracle text? Basics

Oracle text is the official, current rules text for a Magic card as maintained by Wizards of the Coast. It supersedes any printed text on older cards.

Intruder Alarm's current oracle text is: "Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures."

What is the current price of Intruder Alarm? Pricing

The current market price for Intruder Alarm is approximately $2.9 USD on TCGPlayer.

A foil copy costs approximately $70.48 USD.

On Cardmarket (Europe), it's approximately €2.47 EUR.

Where can I buy Intruder Alarm? Pricing

You can purchase Intruder Alarm from major MTG retailers including:

Prices vary by condition and printing. Check multiple sellers to find the best price.

What is the difference between normal and foil cards? Pricing

Foil cards have a shiny, holographic finish that makes them more collectible. They are functionally identical to normal cards but typically cost more due to their rarity and visual appeal.

Intruder Alarm normal: $2.9 | foil: $70.48

Is Intruder Alarm legal in Standard? Legality

Format legality information for Intruder Alarm in Standard is not available.

Standard is a rotating format that only allows cards from the most recent sets.

Is Intruder Alarm legal in Modern? Legality

Intruder Alarm is Legal in Modern format.

Modern includes all cards printed in a standard-legal set from 8th Edition forward.

Is Intruder Alarm legal in Commander (EDH)? Legality

Intruder Alarm is Legal in Commander (EDH) format.

Commander is a casual multiplayer format where you build a 100-card singleton deck around a legendary creature.

Is Intruder Alarm legal in Pioneer? Legality

Format legality information for Intruder Alarm in Pioneer is not available.

Pioneer is a non-rotating format that includes all standard-legal sets from Return to Ravnica forward.

Is Intruder Alarm legal in Legacy? Legality

Intruder Alarm is Legal in Legacy format.

Legacy allows almost all cards ever printed, with a substantial ban list for balance.

Is Intruder Alarm legal in Vintage? Legality

Intruder Alarm is Legal in Vintage format.

Vintage is the most permissive format, allowing almost all cards with only a minimal ban list. Some powerful cards are "Restricted" (limited to 1 copy).

Is Intruder Alarm legal in Pauper? Legality

Format legality information for Intruder Alarm in Pauper is not available.

Pauper only allows cards that have been printed at common rarity in a paper or online set.

What is format legality in MTG? Legality

Format legality indicates which official MTG formats allow a card to be played:

  • Legal: Card is allowed in the format
  • Banned: Card is prohibited from play
  • Restricted: Limited to 1 copy (Vintage only)
  • Not Legal: Card was never part of that format's card pool

Different formats have different banned lists based on power level and game balance.

What set is Intruder Alarm from? Details

This printing of Intruder Alarm is from 8ED (8ED), with collector number 86.

Intruder Alarm may also appear in other MTG sets with different art or special treatments.

What is Intruder Alarm's rarity? Details

Intruder Alarm is a rare card in 8ED.

Card rarity affects both availability and price. From rarest to most common: Mythic Rare → Rare → Uncommon → Common.

Who illustrated Intruder Alarm? Details

Intruder Alarm was illustrated by Luca Zontini.

Magic: The Gathering features artwork from hundreds of talented artists, and many cards have been reprinted with new art over the years.

💬 Card Discussion

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