Whir of Invention - Special Guests - 96

Instant

Mana 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.

Mythic · Special Guests · #96 (SPG)

Illustrated by Brian Chippendale