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.
Near Mint - $7.25
Lightly Played - $7.00
Moderately Played - $5.75
Heavily Played - $4.50
Damaged - $3.75
Near Mint Non-English - $7.25
Lightly Played Non-English - $7.00
Moderately Played Non-English - $5.75
Heavily Played Non-English - $4.50
Damaged Non-English - $3.75
Foil Prices
Near Mint Foil - $8.00
Lightly Played Foil - $7.50
Moderately Played Foil - $6.50
Heavily Played Foil - $4.75
Damaged Foil - $4.00
Near Mint Foil Non-English - $8.00
Lightly Played Foil Non-English - $7.50
Moderately Played Foil Non-English - $6.50
Heavily Played Foil Non-English - $4.75
Damaged Foil Non-English - $4.00