Whir of Invention [Aether Revolt Prerelease Promos]

Whir of Invention [Aether Revolt Prerelease Promos]

Regular Price $10.90

Product Type : MTG Single

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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 converted mana cost X or less, put it onto the battlefield, then shuffle your library.