Artifacts you control are Clues in addition to their other types and have "{2}, Sacrifice this artifact: Draw a card." Whenever you sacrifice a Clue, target creature can't be blocked this turn.
Near Mint - $0.60
Lightly Played - $0.50
Moderately Played - $0.40
Heavily Played - $0.40
Damaged - $0.30
Near Mint Spanish - $0.60
Lightly Played Spanish - $0.50
Moderately Played Spanish - $0.40
Heavily Played Spanish - $0.40
Damaged Spanish - $0.30