by salty53
Effects that activate when a target deals damage resolve after the damage is dealt. Effects that activate when a target would deal damage resolve before the damage is dealt. By analogy, I'm tempted to say that effects that activate when a hero uses a power resolve after the power is used - which, since the Seaweed is no longer in play by then, means it never resolves at all - and it would need to be worded "would use a power" for the hero to be hit before their power resolves.I don't think there's an official ruling though.