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 - $3.10
Lightly Played - $2.90
Moderately Played - $2.80
Heavily Played - $2.50
Damaged - $2.00
NM-Mint Non English - $3.10
Lightly Played Non English - $2.90
Moderately Played Non English - $2.80
Heavily Played Non English - $2.50
Damaged Non English - $2.00
Foil Prices
NM-Mint Foil - $8.30
Lightly Played Foil - $7.90
Moderately Played Foil - $7.50
Heavily Played Foil - $6.70
Damaged Foil - $5.40
NM-Mint Foil Non English - $8.30
Lightly Played Foil Non English - $7.90
Moderately Played Foil Non English - $7.50
Heavily Played Foil Non English - $6.70
Damaged Foil Non English - $5.40