| 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.
![Whir of Invention [Aether Revolt Prerelease Promos]](http://five6gaming.com/cdn/shop/files/3016f992-f90d-5308-803f-665996d67b93_1024x1024.jpg?v=1775651611)
