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 converted mana cost X or less, put it onto the battlefield, then shuffle your library.
NM-Mint - $3.20
Lightly Played - $3.00
Moderately Played - $2.90
Heavily Played - $2.50
Damaged - $2.10
NM-Mint Non English - $3.20
Lightly Played Non English - $3.00
Moderately Played Non English - $2.90
Heavily Played Non English - $2.50
Damaged Non English - $2.10
Foil Prices
NM-Mint Foil - $12.30
Lightly Played Foil - $11.60
Moderately Played Foil - $11.00
Heavily Played Foil - $9.80
Damaged Foil - $8.00
NM-Mint Foil Non English - $12.30
Lightly Played Foil Non English - $11.60
Moderately Played Foil Non English - $11.00
Heavily Played Foil Non English - $9.80
Damaged Foil Non English - $8.00