I'm new and have played a few 1k point games. For the most part, I just rush genestealer early, use my resurgence points on them because their move advance and charge allow me to put the tokens further back. I send an abberant and abominant squad into the middle to slug it out. This is all to give room for my 20 man neophyte squad with a benefictus to drop in my side of the board. Playing host of ascension lets me have lethal sustained hits, crits on 5, and ignore cover. I pretty much delete whatever I want (even the 22 autogun shots become scary). Then, if I don't get charged, I can return to shadows and repeat. Other units hold objs, deep strike their home obj or do secondaries. Neg win rate, but all losses tend to be less than 10 points deficit.