So far as I know, Spines is still just fine. Spines/Fire for maximum damage, Spines/Dark for that classic lawnmower, and I'm sure there are other combinations that work good. Spines/Electric would probably be good too. Then you could go with some of the hardier secondaries if you wanted to mow down tougher groups.
"That's because Werner can't do maths." - BunnyAnomaly
"Four hours in, and I was no longer making mistakes, no longer detoggling. I was a machine." - Werner
Videos of Other Stupid Scrapper Tricks
Is spines still a viable scrapper primary, especially in the wake of fire and elec being ported over? Spines always had the claim to fame of being AoE king, but fire and elec both have pretty awesome AoE and can also do pretty good single target. Does spines still hold up? If it does, do any of the new sets go well with it?