Altar of Dementia


Format Legality
Pre-release Legal
Noble Legal
Leviathan Legal
Tiny Leaders Legal
Magic Duels Legal
Canadian Highlander Legal
Vintage Legal
Vanguard Legal
Legacy Legal
Archenemy Legal
Planechase Legal
1v1 Commander Legal
Duel Commander Legal
Unformat Legal
Casual Legal
Commander / EDH Legal

Printings View all

Set Rarity
Conspiracy (CNS) Rare
Tempest (TMP) Rare

Combos Browse all

Altar of Dementia


Sacrifice a creature: Target player puts a number of cards equal to the sacrificed creature's power from the top of his or her library into his or her graveyard.

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Altar of Dementia Discussion

JuQ on Angry Omnath on a Budget

2 days ago

Building and testing my Omnath, Locus of Rage deck I realized that 2 mana for fetching a basic land is good, 4 mana for fetching two lands is great, but 6 mana for fetching three lands is a terrible deal. If you are casting such an expensive sorcery you should get a way bigger effect on its own before adding any synergies. Boundless Realms is a great card but Nissa's Renewal and Verdant Confluence are lacking heavily.
Getting three cards form graveyard from Verdant Confluence instead is okayish, but for that end is way better Seasons Past it usually gets me five to seven cards form the graveyard.
Traverse the Outlands is just a lower cost sorcery that in this deck will usually fetch you at least five lands.

I'd also add some sacrifice outlets such as Goblin Bombardment, Ashnod's Altar, Altar of Dementia, Breeding Pit, High Market, maybe even Skullmulcher, three of them should be good enough. Being able to kill your elementals on command in order to trigger Omanth is crucial.

You may have troubles with flyers so I'd swap Molten Disaster for Chain Reaction, in multiplayer it will be like a second Blasphemous Act.
Ulvenwald Hydra will also be a nice response to flyers. It isn't an elemental but it still synergizes greatly with the deck mechanics. I also like Cloudthresher and Tornado Elemental to fight those pesky flyers.

Spitebellows is a good removal for an Omnath deck, when yopu evoke it you can get a lot of triggers for just three mana.

I'm starting to like a lot Mouth / Feed, it's almost a second Shamanic Revelation that has some use on the early game giving you a 3/3 body to block with, not too shabby.

ambushtroll on Big Boys and Omnath, Locus of Mana

2 days ago

There are a couple of cards that work with big power that I see you don't have in your deck. What do you think about Caged Sun for extra power, Altar of Dementia for some mill and Garruk, Primal Hunter for some card draw? Then a couple of instants that can protect big boys include Sheltering Word and Vines of Vastwood.

Hope this helps.

elgosu1337 on Muldrotha, the Primally Surging Gravetide

2 days ago

You always give great advice ThallionDarkshine! Thanks in particular for highlighting the Mirrorpool + Timestream Navigator combo which works great for this commander. I've added in Mirrorpool and Myriad Landscape for now, and will test the manabase further. But it was actually surprisingly smooth despite the low land count due to other ramp.

Muldrotha is more often insurance in this deck, to recur destroyed permanents and with the self-mill supplementing card draw, although he synergizes very well with some of the ramp and stax cards. So the deck actually plays alright without him or too much self-mill. I added Altar of Dementia to provide a bit more self-mill and serve as a potential wincon. The amount of self-mill feels about sufficient now, but I will test that further.

I didn't want to include the Mikaeus Triskelion combo because it's too easy and generic a way to win. The Mirrorpool Navigator combo is cool because it specifically relies on the commander's ability, and still needs more work to win. I also added in a Command Beacon + Food Chain combo for infinite mana, which can win via Altar of Dementia or Hedron Crab.

DukeSteele on Mistress of the Forest (Enchantment Fort/Tokens)

5 days ago

Discovered a really cool interaction in a recent game;

With Mirri's Guile and Altar of Dementia in play with some of Ghave's tokens, you can resolve Mirri's guile then sac tokens to mill the cards you don't want on top. Very powerful upkeep shenanigans, that filter the heck out of your top deck!!!

Dreno33 on Valduk, Keeper of Flame

1 week ago

a few goodies for this guy

  1. Betrothed of Fire - OHKO :)

  2. Bravado - half bonus of betrothed, but you get to keep them

  3. Sundial of the Infinite - keep your token beyond your end step (activate with end step exile trigger on stack). though i don't think this is that great of a bonus. I would rather just sac them to something like Ashnod's Altar or Altar of Dementia

JuQ on The Haunting of Karador: Ghost Chieftain

1 week ago

Karador was the first commander I tried to build. There is a big problem with him, his cost is absurdly high even with the discount. You need a lot of creatures in your graverd to make him affordable and even after that you will probably be out of mana when you finally cast him so you'll have to wait until your next turn to start using its ability.

You will need to make a special effort to fill your graveyard and run a really high count of creatures on the deck, so try to change any of the tools of the deck to utility creatures, that way you will also have a recurring toolbox in your graveyard.

To fill your graveyard you can use dredge (Golgari Thug, Stinkweed Imp and Golgari Grave-Troll are the highest dredgers) and you can loot (Key to the City, Smuggler's Copter, Deal Broker and Gate to the Afterlife) There are also Altar of Dementia, Dread Summons and Extractor Demon but it is a bit slow. The good news is all these cards will also synergize with your The Gitrog Monster.

This is so much easier with Meren of Clan Nel Toth as commander.

CivilizedSin on Sidisi, Brood Tyrant EDH Deck

1 week ago

Hey friend! Welcome to the wonderful world that is Sidisi EDH!

My gut instinct here by looking at your list (and from your description) is that you're aiming to go wide- you're looking to overwhelm the board with so many zombies that your opponents don't know what to do with themselves. If this is true, then let's look at some ways you can get out as many zombies as possible:

-Mesmeric Orb is my personal favorite. Each permanent untapping is a unique trigger, and will give you a zombie if it's respectively milled card was a creature. This can further be exploited by combining it with Aphetto Alchemist, Seeker of Skybreak, or even good ole' Basalt Monolith along with something like Ulamog, the Infinite Gyre in the deck to instantly (and for little mana investment) get as many zombies as you'd like. However! Infinite combos like this are not for everyone, so we can look at some less abusive options:

-Embalmer's Tools was something I'd initially overlooked in my own build. However, once I gave it a shot I realized it's value, and it's remained a staple to this day. Being a force-tapping ability allows you to insta-tap a newly created zombie to mill yourself one, and potentially hit a creature. My deck hovers around 40% creatures, and this allows it to maintain enough consistency that I find these tools invaluable.

-Parallel Lives is more used in conjecture with other cards, and doesn't pull as much weight by itself given the mana investment, but is still worth the consideration.

-Lastly, I wanted to refer you to consider Dredge options: Life from the Loam can be a straight replacement for Splendid Reclamation due to it's usefulness even when milled, and Stinkweed Imp is a continuous threat to flyers that may swing your way. There are, however, many other options in this category such as Dakmor Salvage and Golgari Grave-Troll that are popular as well.

Due to Sidisi's rules, she cares more about individual INSTANCES of self-mill, not LARGE chunks of self-mill. Once you get your zombie count high enough, you need to start examining how those zombies are going to win you the game. Most of the time, it's through face-damage. Zombie lords to give them a little extra punch help a lot here. I noticed you had a couple staples, but there are some additional options to consider such as Death Baron, Zombie Master, Undead Warchief, and even Metallic Mimic, all of which can give you some some additional threat on the board. While you already have Wonder, I've always enjoyed using Filth in conjuncture with Urborg, Tomb of Yawgmoth to sneak through unexpectedly, and additionally have had some fun with Eldrazi Monument, Akroma's Memorial, Craterhoof Behemoth, and Decimator of the Provinces.

The remainder of the recommendations come in the form of alternative wincons, which are typically applied against those pesky pillow-fort players or those who seem to be matching you token-for-token to the point where you just can't get through. Things like Altar of Dementia can always be used on yourself for general utility or an enemy to devastating effect (it's always fun to watch someone struggle with something like Mystical Tutor when they know you'll just force them to mill it), and other options include things like Gempalm Polluter and Lich Lord of Unx.

Hopefully this has given you some food for thought, and if I was totally wrong on the direction you want this deck to head, please let me know so I can adjust my suggestions to suit your playstyle more!

JuQ on Mazirek Counters

1 week ago

Have you considered Aerie Ouphes and other creatures with native persist?
Those ouphes with Mazirek will clear the skies on their own and put a infinite counters on your creatures as long as there is one creature with flying.
With Mazirek any creature with native persist with and a reusable sacrificial outlet will put infinite counters on your creatures and get and infinite byproduct of whatever the sacrifial outlet does, deck your opponents if it's the Altar of Dementia or get infinite mana if it's either Ashnod's Altar or Phyrexian Altar.

Tendershoot Dryad is an excellent token producer.
Smokestack should also go nicely in the deck If you have a lot of tokens.

Nice deck!

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