Whir of Invention (311) (Borderless) (SLD) – Foil

Card Text

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.

flavour Text

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