Intruder Alarm

Intruder Alarm


Creatures don't untap during their controllers' untap steps.

Whenever a creature enters the battlefield, untap all creatures.

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Format Legality
1v1 Commander Legal
Block Constructed Legal
Canadian Highlander Legal
Commander / EDH Legal
Duel Commander Legal
Highlander Legal
Legacy Legal
Leviathan Legal
Limited Legal
Modern Legal
Oathbreaker Legal
Tiny Leaders Legal
Unformat Legal
Vintage Legal
Casual Legal
Custom Legal
Quest Magic Legal

Latest Decks as Commander

Intruder Alarm Discussion

Guerric on Inalla Arch-Rage Ritualist

1 week ago

Hi kimosabe! There are some interesting cards here, and Sedraxis Alchemist in particular seems like a great one that I wasn't aware of. I think my main thought here is actually just that you're pretty light on ramp, with really only Sol Ring and Arcane Signet . Inalla is especially mana hungry because if you want to use her ability, you essentially need to add one to the cmc of all of your wizards. Generally we want to have at least ten pieces of ramp in any deck, so I'd definitely add a suite of signets, talismans, and stones along with maybe Burnished Hart and Wayfarer's Bauble and you should be all set. Because adding eight cards will result in cuts, it might be helpful to decide whether you want to go with a more controlling approach or a wizards tribal approach. If you go with the former, cut more wizards keeping only the best ones and if you go with the latter, cut down on your instants and sorceries. This will also help you decide which wizards are best. In the control build, for instance, Adeliz, the Cinder Wind and Docent of Perfection  Flip are great, and while I think Scholar of the Ages is too high-costed for any build personally, adding Salvager of Secrets and/or Izzet Chronarch is a good call. In the Wizards tribal approach, Adeliz and Docent aren't great and we're probably good with just Archaeomancer for instant and sorcery recursion.

You probably also want to think about wincons. Wizards aren't great attackers, so combos of some form are usually the way to go. You currently have the Ghostly Flicker combo with either Dualcaster Mage or Naru Meha, Master Wizard , though the latter doesn't win on her own and while you have Blue Sun's Zenith as a mana sink, I'd consider adding Comet Storm or the like. You might also want to add Solve the Equation as an inexpensive tutor for Ghostly Flicker . If you add Ashnod's Altar , you'll have another win con since it can go infinite with Inalla and Bloodline Necromancer , which you already have. In addition to this, Wanderwine Prophets and Timestream Navigator can win on their own with Inalla's ability and enough mana. Additionally, if you are going with the control build, Intruder Alarm is a great card which you can use with Inalla's ability to drain people out without technically going infinite.

Gidgetimer on Chulane Tokens [Random Combo Deck Build-Off]

3 weeks ago

Thank you. A combo with a mana dork and Intruder Alarm just screamed Chulane to me.

Doombeard1984 on All hail...The Overlord

1 month ago

Well RA_HORAKHTE, I definitely see the reason behind your combo. And providing you have the life (which is a resource after all), you have a really good chance to "go infinite". Seems like solid combo.

I personally play The Overlord as my commander as I like the consistency that the tutoring a ability provides. I have a Swiss army knife of Slivers lol.

Intruder Alarm is a great, but dangerous card. I tend to only play it when I am about to pop off. It does effect the whole board, and some decks will benefit from this greatly. Elves can really benefit from it with their insane mana generation.

RA_HORAKHTE on All hail...The Overlord

1 month ago

Doombeard1984 Thanks for sharing your deck! Although I've been collecting slivers for a long time, I'm still learning about how to use them in EDH. (I'm happy you also visited my deck, thanks!)

Loved your Intruder Alarm inclussion, I think I should try it in my deck!

By the way, what do you think about this packcage?:

-> Morophon, the Boundless + Hibernation Sliver + The First Sliver (wich you already play). I have this combination in my deck not as a real infinite combo but as another finisher sinergy: With Morophon, the Boundless you can play The First Sliver free, getting cascade, and returning it to your hand with Hibernation Sliver by paying life. You'll get a <4CMC cascade trigger every time you repeat this by payign 2 life, but playing a big part of your deck, probably reaching Lavabelly Sliver and Syphon Sliver , obtaining an infinite way of gaining 2 life to infinitely bounce an sliver and play it free with Morophon until your opponents die with the Lavabelly damage. Reaching Intruder Alarm and Mana Echoes I supose it also could reach an infinite mana path too. I know there are better combos using The Queen, I just play this one as a diferent one and taking advantage I personally play The First Sliver as commander.

dpolatchek01 on Anowon, The Rogue Daddi

1 month ago

use Intruder Alarm for Phenax haha that'll be hilarious

Fjallen on Emry // Mono-Blue Artifact Combos [cEDH]

2 months ago

eprovince My first list had Thornbite Staff . It also included all of the 0 drop artifact creatures necessary to enable that game plan. In the long run, I found self-sacrficing 0 drop artifacts to be more consistent and to cut the staff and Intruder Alarm . I still think those two untappers are definitely good, but they are usually a nonbo with the noncreature artifact strategy. My untappers are limited to Isochron Scepter + Dramatic Reversal , Mirran Spy , and Chakram Retriever . The biggest downsides of Thornbite Staff are its high equip cost and the fact that it requires a sacrifice outlet to be effective. Hope this comment helps!

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