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 - $3.60
Lightly Played - $3.40
Moderately Played - $3.20
Heavily Played - $2.90
Damaged - $2.30
NM-Mint Non English - $3.60
Lightly Played Non English - $3.40
Moderately Played Non English - $3.20
Heavily Played Non English - $2.90
Damaged Non English - $2.30
Foil Prices
NM-Mint Foil - $6.20
Lightly Played Foil - $5.90
Moderately Played Foil - $5.60
Heavily Played Foil - $5.00
Damaged Foil - $4.10
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 - $5.00
Damaged Foil Non English - $4.10