Conduit of the Scourge

Flying, Vigilance
Whenever Conduit of the Scourge attacks, each player exiles a permanent he or she controls. Conduit of the Scourge has all activated abilities of all permanents exiled by cards named Conduit of the Scourge at any point in the game.
Whenever an opponent casts a spell, untap Conduit of the Scourge and it deals 1 damage to each creature.