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 - $1.75
Lightly Played - $1.50
Moderately Played - $1.25
Heavily Played - $1.00
Damaged - $0.75
Near Mint Non-English - $1.75
Lightly Played Non-English - $1.50
Moderately Played Non-English - $1.25
Heavily Played Non-English - $1.00
Damaged Non-English - $0.75
Foil Prices
Near Mint Foil - $4.50
Lightly Played Foil - $4.50
Moderately Played Foil - $3.50
Heavily Played Foil - $2.75
Damaged Foil - $2.00
Near Mint Foil Non-English - $4.50
Lightly Played Foil Non-English - $4.50
Moderately Played Foil Non-English - $3.50
Heavily Played Foil Non-English - $2.75
Damaged Foil Non-English - $2.00