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 - $2.60
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 - $2.60
Damaged Non English - $2.10
Foil Prices
NM-Mint Foil - $6.20
Lightly Played Foil - $5.90
Moderately Played Foil - $5.60
Heavily Played Foil - $4.90
Damaged Foil - $4.00
NM-Mint Foil Non English - $6.20
Lightly Played Foil Non English - $5.90
Moderately Played Foil Non English - $5.60
Heavily Played Foil Non English - $4.90
Damaged Foil Non English - $4.00