Whir of Invention - Secret Lair Drop

Whir of Invention

Instant

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

"Magic hat, I'm gonna be frank. What we need now is a twenty-ton tank!"

Legalities