What's the minimal number of Snow-Covered Mountains needed to run Glacial Crevasses in EDH?

Commander (EDH) forum

Posted on Aug. 6, 2021, 3:22 p.m. by StopShot

Cards: Glacial Crevasses, Snow-Covered Mountain.

I've had my eye on possibly running Glacial Crevasses in my EDH decks for quite some time now as I feel it makes an excellent combat deterrent. By having this card on the field the whole table knows I can completely negate an attack thrown at me even when tapped out which can help keep combat-oriented decks from wanting to waste their combat step on me.

The problem is this card only works if I have Snow-Covered Mountains. If I have none Glacial Crevasses means nothing to my opponent, if I have one Snow-Covered Mountain my opponents might try to fish me into sacking it and if I have three Snow-Covered Mountains my opponents will likely not bother with me until the game reaches a 1-versus-1 state.

This card is easier to run in mono-red decks, but I want to put it in 3-color decks which means I don't want to flood my entire manabase with Snow-Covered Mountains especially if I'm not going to draw into Glacial Crevasses certain games.

Additionally would you count fetch-lands towards your Snow-Covered Mountain count, such as Arid Mesa , Ash Barrens , Bloodstained Mire , Prismatic Vista , Scalding Tarn and Wooded Foothills? (My 3-color red decks usually run all 6 of these fetches just to color fix with Ravnica shock lands if needed.)

Also how good would you evaluate Unstable Frontier as a utility land? If I'm running Snow-Covered Forests, Snow-Covered Islands, Snow-Covered Plains or Snow-Covered Swamps, I can use Unstable Frontier to turn any of them into a Snow-Covered Mountain and as a color fixing source if I have too many Snow-Covered Mountains, but I don't know if it would be better to just use another Snow-Covered Mountain over it instead.

Lastly, should I run cards like Alpine Meadow, Highland Forest, Sulfurous Mire and Volatile Fjord? I already run all the Modern fetch-lands that could tutor for lands such as these, so I could hit them very consistently, but I don't like the fact they're tap-lands. Given I run only three colored decks I can only ever fit any of two of them at a time. Would they be worth an inclusion?

Thank you for your insight.

DuTogira says... #2

If you want to run it, build your mana base without the snow cards in mind.
Then replace every possible land (all the basics, all the lowest power dual lands) with their snow counterparts. And yes run Unstable Frontier to turn other snow basics into snow mountains

August 6, 2021 5:38 p.m.

griffstick says... #3

I feel in most games being able to fog when it matters most, one time is good enough. But the most I've had to fog for the win was 6 times. I have been playing with Constant Mists, and Sunstone for a while now and I find that 2 to 3 fogs are all you need to swing the game. I think knowing how many times you'll need to fog I a game will tell you how many snow lands you'll need. I think if you are mono red then all the basics should be snow. If you are 2 colors or more I suggest at least 10 snow covered mountains

August 6, 2021 6:22 p.m.

griffstick says... #4

10 snow covered mountain sources.

August 6, 2021 6:43 p.m.

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