Spoilers, for when you really hate the corp. I can see this being played in Leela Patel: Trained Pragmatist. Have three of these down, Gang Sign with HQ Interface and a Logos console and sit back and wait for the corp to score. Doing so hurts them lots as you trash cards, run into HQ and find that last breaker you need. Not to mention with leela's power you also get to bounce an unrezzed card back to hand to allow even more access after. Makes a nice Troll deck but does eat your influence very quickly.

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I think this is great in Noise, as it accents what's his deck is trying to do anyway. Cheap and not unique. Of course this is much less reliable against more glacier decks who will score maybe 3 agendas but still, this 1-2 cards in the Archive extra. —
I had two of these out against as Noise and it was great. That is just extra mills. Makes one think twice about scoring an agenda. I love these cards that punish the other player for doing things they need to do. —
Does its effect stack? I mean: if you have two on table and corp scores would the corp trash two cards? I'm confused because it sais "top card" so both Spoilers would trash same card? —
simultaneous triggers happen one st a time, your choice. so they score, both spoilers trigger and you pick one to fire. top card gets trashed, now you pick the other one, top card gets trashed. —