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.
NM-Mint - $6.70
Lightly Played - $6.00
Moderately Played - $5.40
Heavily Played - $4.70
Damaged - $3.40
NM-Mint Non English - $6.70
Lightly Played Non English - $6.00
Moderately Played Non English - $5.40
Heavily Played Non English - $4.70
Damaged Non English - $3.40
Foil Prices
NM-Mint Foil - $12.10
Lightly Played Foil - $10.90
Moderately Played Foil - $9.70
Heavily Played Foil - $8.50
Damaged Foil - $6.10
NM-Mint Foil Non English - $12.10
Lightly Played Foil Non English - $10.90
Moderately Played Foil Non English - $9.70
Heavily Played Foil Non English - $8.50
Damaged Foil Non English - $6.10