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 - $2.00
Lightly Played - $1.75
Moderately Played - $1.50
Heavily Played - $1.25
Damaged - $0.75
Near Mint Non-English - $2.00
Lightly Played Non-English - $1.75
Moderately Played Non-English - $1.50
Heavily Played Non-English - $1.25
Damaged Non-English - $0.75
Foil Prices
Near Mint Foil - $5.75
Lightly Played Foil - $5.50
Moderately Played Foil - $4.50
Heavily Played Foil - $3.50
Damaged Foil - $2.50
Near Mint Foil Non-English - $5.75
Lightly Played Foil Non-English - $5.50
Moderately Played Foil Non-English - $4.50
Heavily Played Foil Non-English - $3.50
Damaged Foil Non-English - $2.50