When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle your library.
Near Mint - $0.70
Near Mint Non-English - $0.70
Lightly Played - $0.60
Lightly Played Non-English - $0.60
Played - $0.50
Played Non-English - $0.50
Heavily Played - $0.40
Heavily Played Non-English - $0.40
Damaged - $0.40
Damaged Non-English - $0.40