Please quit trolling, you're awful at it.
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You're being a terrible and foolish troll, you know that? traps have CD's, Fear/Poly doesn't. Learn the abilities before attempting to talk about them, please. If the other team isn't asleep, derpy, and/or just plain bad, they'll eat the traps if a Scatter goes off. Like I said, you do know there's addons that announce (via voice) abilities that were cast, right? I easily know that much and I haven't touched Arena since early/mid BC.
Fairly short < no CD. They haven't been valid to whom? you? don't make me laugh.