500
Your opponent is a Paladin with 5 health. He has Eadric the Pure and Emperor Thaurissan on the field at full health ,and he has the upgraded Paladin Hero Power. Emperor Thaurissan allows him to play Bolvar Fordragon, then Silver Hand Knight this turn. He uses his Hero Power. You had Dart Trap and Repentance, which was taken by a Kezan Mystic, in play from last turn.This is how many targets would die if Dart Trap were to target them.
What is 7?