Herald's Horn is a uncommon Artifact card from Magic: The Gathering (Treasure Chest, PZ2).
Uncommon
Treasure Chest (PZ2)
{3}
Mana Value
3
Card Text
As this artifact enters, 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.
