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 converted mana cost X or less, put it onto the battlefield, then shuffle your library.
Near Mint - $9.80
Lightly Played - $8.80
Played - $6.80
Heavily Played - $5.90
Damaged - $4.90
Near Mint Non-English - $9.80
Lightly Played Non-English - $8.80
Played Non-English - $6.80
Heavily Played Non-English - $5.90
Damaged Non-English - $4.90
Foil Prices
Near Mint Foil - $16.30
Lightly Played Foil - $14.70
Played Foil - $11.40
Heavily Played Foil - $9.80
Damaged Foil - $8.20
Near Mint Foil Non-English - $16.30
Lightly Played Foil Non-English - $14.70
Played Foil Non-English - $11.40
Heavily Played Foil Non-English - $9.80
Damaged Foil Non-English - $8.20