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 - $5.10
Lightly Played - $4.10
Moderately Played - $3.60
Heavily Played - $3.10
Damaged - $2.60
Near Mint Spanish - $5.10
Lightly Played Spanish - $4.10
Moderately Played Spanish - $3.60
Heavily Played Spanish - $3.10
Damaged Spanish - $2.60
Foil Prices
Near Mint Foil - $7.70
Lightly Played Foil - $6.20
Moderately Played Foil - $5.40
Heavily Played Foil - $4.70
Damaged Foil - $3.90
Near Mint Foil Spanish - $7.70
Lightly Played Foil Spanish - $6.20
Moderately Played Foil Spanish - $5.40
Heavily Played Foil Spanish - $4.70
Damaged Foil Spanish - $3.90