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.
![Herald's Horn [March of the Machine Commander]](http://paradoxtcg.com/cdn/shop/files/27852967-299f-57e3-ad1e-c3f42852260c.png?v=1743174982&width=1445)
