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 - $3.25
Lightly Played - $3.25
Moderately Played - $2.75
Heavily Played - $2.00
Damaged - $1.75
Near Mint Non-English - $3.25
Lightly Played Non-English - $3.25
Moderately Played Non-English - $2.75
Heavily Played Non-English - $2.00
Damaged Non-English - $1.75
Foil Prices
Near Mint Foil - $6.50
Lightly Played Foil - $6.25
Moderately Played Foil - $5.25
Heavily Played Foil - $4.00
Damaged Foil - $3.25
Near Mint Foil Non-English - $6.50
Lightly Played Foil Non-English - $6.25
Moderately Played Foil Non-English - $5.25
Heavily Played Foil Non-English - $4.00
Damaged Foil Non-English - $3.25