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 - $4.90
Near Mint Non-English - $4.90
Lightly Played - $4.40
Lightly Played Non-English - $4.40
Played - $3.40
Played Non-English - $3.40
Heavily Played - $3.00
Heavily Played Non-English - $3.00
Damaged - $2.50
Damaged Non-English - $2.50