Herald's Horn [The List] Lightning counter it unless that player

counter it unless that player pays {3}

Set: Commander Legends: Battle for Baldur's Gate Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{U}{R}{W} Haste

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{U} Flash

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Artifact Rarity: Common Cost: {2} {T}: Add one mana of any color in your commander's color identity

When this creature enters the battlefield

Herald's Horn [The List] Lightning counter it unless that playerSet: The List Type: Artifact Rarity: Uncommon Cost: {3} 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.