You keep the Weapon supply on here. (You add it to Warlord but can't spend it.) After scoring, Rivals discard all Weapons.
Prelude: You may discard this to steal 1 Weapon.
Keys: 2
Act: 2
A: The resources count towards Keeper's Solidarity, but they cannot be discarded for Relic Fence or be stolen.
A: Yes. Any card that says you can discard it to do something else can simply be discarded.