Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.) Reveal the top X cards of your library. You may put any number of artifact cards with converted mana cost X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
Near Mint - $1.50
Lightly Played - $1.20
Moderately Played - $1.10
Heavily Played - $0.90
Damaged - $0.80
Near Mint Spanish - $1.50
Lightly Played Spanish - $1.20
Moderately Played Spanish - $1.10
Heavily Played Spanish - $0.90
Damaged Spanish - $0.80