Thirty Pieces of Silver (Ap)
Type: Artifact • Brigade: None • Ability: None • Class: None • Special Ability: Regardless of battle outcome Hero is discarded. "David's Harp" has no effect. May be used twice. • Play As: Once per turn, discard one Hero in play used in a rescue attempt or battle challenge against you after that battle. Negate David's Harp. May be used twice. • Identifiers: None • Verse: Matthew 26:15-16 • Availability: Apostles booster packs (Ultra Rare)
Based on the wording of this card, does a rescue attempt or battle challenge have to be made to count as a use on this card, or is this one that needs to say may be activated twice?