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 - $17.60
Lightly Played - $16.70
Moderately Played - $15.80
Heavily Played - $14.10
Damaged - $11.50
NM-Mint Non English - $17.60
Lightly Played Non English - $16.70
Moderately Played Non English - $15.80
Heavily Played Non English - $14.10
Damaged Non English - $11.50
Foil Prices
NM-Mint Foil - $14.30
Lightly Played Foil - $13.50
Moderately Played Foil - $12.80
Heavily Played Foil - $11.40
Damaged Foil - $9.30
NM-Mint Foil Non English - $14.30
Lightly Played Foil Non English - $13.50
Moderately Played Foil Non English - $12.80
Heavily Played Foil Non English - $11.40
Damaged Foil Non English - $9.30