Adventurer's Bane

This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
When Adventurer's Bane enters the battlefield, destroy up to one Cleric, Rogue Warrior and
Wizard an opponent controls.
The map said the treasure was there, but not for the Adventurers.