Arcum's Astrolabe


Format Legality
Tiny Leaders Legal
1v1 Commander Legal
Custom Legal
Magic Duels Legal
Canadian Highlander Legal
Vintage Legal
Modern Legal
Casual Legal
Pauper EDH Legal
Leviathan Legal
Legacy Legal
Duel Commander Legal
Oathbreaker Legal
Unformat Legal
Pauper Legal
Commander / EDH Legal

Printings View all

Set Rarity
Modern Horizons (MH1) Common

Combos Browse all

Arcum's Astrolabe

Snow Artifact

( can be paid with one mana from a snow permanent.)

When Arcum's Astrolabe enters the battlefield, draw a card.

, : Gain one mana of any colour.

Browse Alters

Arcum's Astrolabe Discussion

jeacaveo on Urza Paradox Scepter

4 days ago

Everyone has a different way to play and a different meta, but this is how I see it (not in any way related to the authors of this list and I actually think that the all combo approach is the wrong one, but if you're gonna go that way, do it right):

ToffMcSoft Basalt Monolith doesn't help us cast our general any faster (unlike Grim Monolith) so why play it? Even though power artifact is being considered by the authors, I think it's the wrong move. It's only good if you draw naturally into it, otherwise you need to also draw or get Muddle to tutor for it. Rings is just plain dead. LabJace or Labman are both dead cards, drawing into them is just bad 99.9% of the time. Insight is the best draw in mono blue. Future Sight is the next best engine we have after Remora and Study, and it actually lets us draw our deck without Urza in case Totem/Linvala is out. Amulet is a slow dork that actually helps cast Urza early and usable after that happens. You're taking out two cards that either get you card advantage, a winning line and/or a good rock for 3 cards that are dead almost all the time. You do you, but it doesn't add up. On Rapid, it's good but I would run Reality Shift before it since it actually lets us mill opponents with shufflers in their deck.

Kcucullen Paying 5 mana to maybe cast a spell that's gonna help is 900% worst than casting Insight. You have an incredible high chance of failing since over 40% of the deck is lands and/or counters. It's Tezzeret ult not Teferi ult, they do need to fix that. Islands are either for style points or for Arcum's Astrolabe (in case you want to play that). Arcum and Urza are very different decks. Eons was not spoiled by the time the wrote the description, good suggestion (although I don't think it will get much traction, may Spiral).

Trinisphere is being considered as a cut but this is 100% a bad decision (in my eyes). It's one of the, if not the most, powerful artifact stax piece in the game and we can actually have some control over it.

Final note to anyone reading this: This list is not gonna run a dedicated wincon unless it has some above average utility in the list (again, I'm not related to the authors, I just know that's the idea they want to stick to). If you can win with the cards you already play because they are useful, why waste slots on cards that you'll just be holding on until you can actually win? I agree with this part (even thought some of the choices they made are questionable, in my opinion).

I would encourage people to join the Discord server for more joyful discussion.

wallisface on neoffinity

1 week ago
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Other additions i think you should consider:

Replace the basic lands with snow lands. This’ll let you run Arcum's Astrolabe (probably run 4, in place of the thragtusk and 2 frogmite). which’ll help with your affinity while also drawing you towards your wincon.

I’d also suggest running 3 Signal Pest (probably in place of the other 2 frogmite, and one thoughtcast). They’ll help you swing with the small dudes while you’re getting set up for your nonsense.

I’d probably swap the remaining thoughtcast for Ancient Stirrings as they have a chance to let you tuck a craterhoof to the bottom of the deck - but both these spells are good so not sure which route is better

lagotripha on Modern Snow Mill?

1 week ago

Iceberg Cancrix is interesting in that it can be extra copies of Hedron Crab -the question is what that means and how to use it. Crab is amazing because fetches become mill six, while cancrix still only mills two.

Scrying Sheets is a great payoff card for moving to slow, but it does point to a slower, more control deck style.

This means that non-land snow cards need to be looked at- Coldsteel Heart , Skred , Into the North , Boreal Druid , On Thin Ice , Marit Lage's Slumber , Dead of Winter , Ice-Fang Coatl , Arcum's Astrolabe & Rimebound Dead / Icehide Golem .

They don't exactly scream 'we have planned an archetype'.

I feel the most likely list you might build would be a sutai self-mill list looking to cast Splendid Reclamation / The Mending of Dominaria to put 10 lands onto the battlefield milling six cards each, with a Scapeshift backup plan. Just lots of instants, scrying sheets and hall for value and a lot of exile effects.

ToolmasterOfBrainerd on Chasmolinker

1 week ago

I don't think there are enough good snow permanents to play Marit Lage's Slumber . Maybe for a casual FNM deck but I think snow can be better than that.

With Prismatic Vista and Arcum's Astrolabe , the manabase works. You can't get too greedy with color requirements. Cryptic Command is out of the question. But it works. I like the idea of playing 2 or 3 shocklands, 2ish of each basic, 4 Vista, and a bunch of fetchlands. The splash into shocks helps the colors without cutting off the snow permanents too much. The tragic loss is that manlands become somewhere between risky and unplayable.

I think my main question at the moment is: what else should be played that can turn sideways? Having a clock is more important now than ever. UW Control has essentially become superfriends, and planeswalkers are most easily killed by creatures in combat. In addition, it's easy to throw an opponent off balance with Force of Negation and Thoughtseize , but without a clock they can draw out of it. Tarmogoyf is obviously a clock, but only 4 copies isn't enough.

Coatl is a beautiful grindy card, but it's not an offensive threat.

Icbrgr on Weather Outside is Frightful

1 week ago

I think Arcum's Astrolabe is a better choice than Coldsteel Heart ... +1 because snow rules!

Oooo just now noticed it's a mana filter instead of ramp.... oooof tough call... +1 anyways

ToolmasterOfBrainerd on Chasmolinker

1 week ago

Say, what do you think of a BUG Snow deck? You're the resident BGx player these days, so I'd like your thoughts on it. Ice-Fang Coatl is my motivation to make a UGx deck. And I think BUG is the most viable, since Coatl is a midrange card and UG lacks interaction with creatures. Moreover, Dead of Winter looks like a very powerful card.

My experience is that BUG is a very hard color combination to build. Blue cards are powerful, but generally are difficult to make resonate with BG cards.

The obvious includes are 4 Coatl, 4 Goyf, and 4 Snap for creatures. Probably 3-4 Assassin's Trophy . 4 Arcum's Astrolabe to increase the snow count.

I'm worried about finding enough blue cards to support Force of Negation -- on that topic, my testing so far has indicated that Force of Negation is an insanely good card in modern.

But as for rounding out the list, I have no idea what to do. Do cantrips have a place? A discard package is usually a good idea. What removal spells, and how many? Does Liliana fit in? Kalitas? Scooze? Bob? Jace? Baby Jace? Narset?

wallisface on Ice Cold Sultai

1 week ago

So, constructively:

Rime Tender looks like it’d fit well into a snow-Tooth & Nail deck.

Arcum's Astrolabe looks like it would be great in a snow-eggs deck.

Dead of Winter fits great into a mono-black-devotion deck.

Ice-Fang Coatl should live well within a some kind of simic based tempo deck

SynergyBuild on Modern Snow (MH1 Spoilers!)

2 weeks ago

In Modern Horizons, given the all of the cards are spoiled now, I think Snow is a real deck.

Based Green, while splashing white and blue, this list has a lot going for it.

The Manabase isn't bad. Between Prismatic Vista and like 7 fetches (3 misty, 2 Windswept, 2 Flooded), along with 2 plains and 2 islands, 4 forests, and a Scrying Sheets , that manabase works well, because this list has a lot of ramp. Mouth of Ronom , Frostwalk Bastion , Boreal Shelf , Artic Flats, as well as some other lands are considerations, but I am not a huge fan.

Into the North , Rime Tender, Arcum's Astrolabe , and Boreal Druid help our mana a lot.

Ice-Fang Coatl and Ohran Viper are card draw/removal, but On Thin Ice and Gelid Shackles are strong answers too. Glacial Revelation is the strongest card in the deck, while Ambominable Treefolk is our massive beater.

Diamond Faerie is a secondary option as a finisher, my rough list runs 2 mainboard. It can close out games.

Icehide Golem is another quick beatstick.

Simple list, ramp, draw, removal, and beaters, but all of them are well above the normal rate.

Modern Snow

Modern SynergyBuild


Additionally, I think a mono-green list and simic list may have legs too.

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