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 - $9.30
Near Mint Non-English - $9.30
Lightly Played - $8.30
Lightly Played Non-English - $8.30
Played - $6.50
Played Non-English - $6.50
Heavily Played - $5.60
Heavily Played Non-English - $5.60
Damaged Non-English - $4.70
Damaged - $4.70
Foil Prices
Near Mint Foil - $19.50
Near Mint Foil Non-English - $19.50
Lightly Played Foil - $17.50
Lightly Played Foil Non-English - $17.50
Played Foil - $13.70
Played Foil Non-English - $13.70
Heavily Played Foil - $11.70
Heavily Played Foil Non-English - $11.70
Damaged Foil - $9.80
Damaged Foil Non-English - $9.80