![Whir of Invention [Aether Revolt Prerelease Promos]](https://cdn.shopify.com/s/files/1/0833/8007/6865/files/3016f992-f90d-5308-803f-665996d67b93.jpg?v=1738951170)
Whir of Invention [Aether Revolt Prerelease Promos]
$19.90
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Set: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
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$19.90
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