Anti-Reaper CC weapon

[Simard]

Ghost touch obviously, but what else? Incorporeal bane? Slashing? Do the stat damage effects work as a third slot?

Edited to add - originally I thought about Mabar ghost red augments but then I thought about how many that might be, plus a few weapons already encumbered with a red augment etc. So that's not really a universal solution vs a few Reaper beaters at strategic levels.