I believe duck only affects attacks that target you specifically, so no - would be my answer (based of logic and memory).
So necessary to alter the description of Duck. Now its Block Any. Take the blocked card into your hand.
Blocks will never trigger on your own spells. As pliers said, only activates on enemy spells. That way you don't block heals, etc. So you would never block (or Duck) your own firestorm cast.
You never block friendly cards (and neither does the ai), that's more a general rule. Some cards have the effect of you damaging you as part of their cast (as Unholy Frenzy), and would make self-blocking a bad thing - so that's just part of how blocking rules work - rather than the specific card rules.
The question has been answered, but there's nuance with Duck: unlike other blocks, when Duck blocks a multi-target attack that attack stops there and hits no other targets. So even if you could block an attack from an ally, Duck would stop that attack.
Are you sure about this? How do you know? I don't think what you've said is true, but I'm not confident enough to say for sure.
I know because it's happened to me, multiple times. The flying monkeys use duck a lot, and if you try to Cone Of Cold them or use some similar AoE you will see this happen. I've also had it happen the other way - the yellow dragon, forget his name, has an acid breath attack that hits an area and I've ducked that when he's targeted my entire party and none of my party were hit.
Ok, I'll keep an eye out for that. I wonder if that's the intended behaviour or not. In a different thread on a different topic, Jon once said this to me: That statement seems to imply that it is possible for an AoE attack to be ducked by multiple targets - but that is inconsistent with what you've said. So now I'm wondering two things: what are the current mechanics and what are the intended mechanics. My expectation is that Duck should only block the effect against the ducking character and should have no effect on anyone else; that's certainly how other block cards work and if Duck works differently then it should make it clear in the description. So if it really does work the way you've described then maybe it's actually a bug.
Well. Okay, I think you might be right about it being a bug - I've just had Duck fail to do this with both Fireball and Rockfall. Maybe it only happens with cone attacks? I don't know.
