Decks that rely on fast mana, like combo decks, can go as low as 14 lands, as they make use of mana rocks like Lotus Petal or cards like Dark Ritual to add mana and cast as many spells as they can to execute their combo
Characters from Impel Down and Marineford joins the war
I'm going to go with Flash, but if you're on team LED, I'm fine with that, too
Typically, Modern decks run between 18 to 23 lands, depending on whether they're blue-based, aggressive, or midrange/control decks
Now, get to anywhere near the top of the pile of one mana ramp cards and I am all ears
Invasion of Kaldheim really rewards you for having a gameplan set for your next turn with the cards you exile or for knowing when to ditch a hand for the rest of the game