I've been running the following Veteran killteams to great success. I run two in my Battalion:
- 4 Veterans with storm bolter and chainsword (including the sgt.)
- 2 Veterans with storm bolter and storm shield
- 2 Veterans with frag cannons
- 1 Terminator with axe and storm bolter
- 1 Vanguard Veteran with dual chainswords
This unit can ride in a Corvus, but I don't actually have one so I haven't had an opportunity to try it out that way. They're both kept in reserve to teleport in, and they end up being pretty resilient against most counter attacks thanks to the Terminator and the storm shields (and because they weren't trudging up the board solo). They pack a hell of a shooting punch with SIA storm bolters when they land, and they have a pretty solid number of attacks in melee to chew through chaff if they need to.
I've tried an alternate build where I swap one of the frag cannons for a normal storm bolter and chainsword build, swap the other frag cannon for a black shield with dual lightning claws, and swap the sgt to dual lightning claws as well. It's done some great work in melee, but since they're deep striking it's mostly been initiated by me when I have a Librarian nearby or I'm using the Black Shield for a heroic intervention.
My Fortis Kill teams are basically two builds:
- 5 Intercessors with auto bolt rifles
- 4 Aggressors with boltstorm gauntlets
- 1 Inceptor with auto bolters
These guys rush up the field, chew through a variety of screening and bubblewrap, and then hold their position in cover as a T5 unit, 2+ save, and 20 wounds. They've been really difficult to shift, but I also haven't had the
displeasure of facing Drukhari yet. The second build:
- 5 Intercessors with bolt rifles
- 4 Hellblasters with the regulary old plasma incinerator (the rapid fire one)
- 1 Inceptor with plasma
These guys hang back in cover and plink things from afar while being able to move up and put damage on something that gets too close. They've been my go to unit for dropping those fun anti-xenos strats onto, as well as things like auspex scan.
I'd like to consider slightly cheaper units eventually, as these ones all eat up points - but that's mostly to enable my totally illogical choice of adding models I like the look of rather than their effects on the table (like Land Raiders and Blackstars).