I've seen some videos of it post buff and it seems to perform much better than it did. I think "string of curses" looks like a very strong perk in the Crucible. I have yet to compete the bounty but I'm pretty psyched about it.
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It still struggles to kill a player in one mag in PvP, meaning that it's perk is rarely useful. Great PvE weapon, but the fact it's a pulse-rifle kind-of means you're shooting yourself in the foot