Select Show All in the filters to view both owned and unowned cards, making it easier to plan your deck
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This is generally a bad idea as you should be building your game 1 mana base with your optimal curve/color distribution in mind, which doesnt change just because youve suffered a bad bout of variance
Its best party trick, however, is building up an army before using Akki Battle Squad to trigger a surprise combat phase, while building up modified creatures will let you drop Walking Skyscraper for nothing if you time it right
It's useful as a fast sanity check but shouldn't be your primary pricing tool