As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.
Near Mint - $4.25
Lightly Played - $4.25
Moderately Played - $3.50
Heavily Played - $2.75
Damaged - $2.25
Near Mint Non-English - $4.25
Lightly Played Non-English - $4.25
Moderately Played Non-English - $3.50
Heavily Played Non-English - $2.75
Damaged Non-English - $2.25