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 - $6.10
Lightly Played - $5.50
Moderately Played - $4.90
Heavily Played - $4.30
Damaged - $3.10
NM-Mint Non English - $6.10
Lightly Played Non English - $5.50
Moderately Played Non English - $4.90
Heavily Played Non English - $4.30
Damaged Non English - $3.10
Foil Prices
NM-Mint Foil - $10.10
Lightly Played Foil - $9.10
Moderately Played Foil - $8.10
Heavily Played Foil - $7.10
Damaged Foil - $5.10
NM-Mint Foil Non English - $10.10
Lightly Played Foil Non English - $9.10
Moderately Played Foil Non English - $8.10
Heavily Played Foil Non English - $7.10
Damaged Foil Non English - $5.10