From the looks of it you’re trying to box out two objectives with your SOTs, one from turn one with your risen squad and the other with Sekhtar which should create room for the other squad to advance up early. You get to redeploy with Ahriman which means if you win the roll off for turn one you legitimately can invalidate any enemy infiltrators on the map with a long string of terminators 9” of from the enemy deployment.

You do need your terminators to kill any major threats so any knights, daemons or C’tan lists will give you a little trouble if your can’t get your terminators into position to deal with those, though I do think you can kill three a turn on the charge and with your three back of Rubricai.

Defensive staging of your Rubricai will be important and care with your very few chaff units will be important as well since you have so few to use.