Playing against emperors children

Hello fellow tech priests! I'm going into an emperors children matchup tomorrow and I'm just trying to figure out the best way to build my list. I have a lot of Admech models so I can build pretty much any list excepting priests for data psalm. My buddy is playing Coterie of the Conceited, and his army gets a lot stronger by killing units, which makes me hesitant to run infiltrators but I feel naked without them in my list. Any and all experience and or advice is welcome!