Description
| Set: | Aether Revolt |
| 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.

![Whir of Invention (49) [Aether Revolt]](http://alwaysgames.ca/cdn/shop/files/126329_in_1000x1000_72beccf8-d87c-4d13-9d65-62ea3636fbb1.jpg?v=1771621820&width=672)