Whir of Invention [Prerelease Cards]
2
in stock.
$7.00
-
Description
Set: Aether Revolt 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 converted mana cost X or less, put it onto the battlefield, then shuffle your library.